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Finding the Fourth Proportional to 554,401.60, 831,602.40 and 133,677.48

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Solution

The fourth proportional to 554,401.60, 831,602.40 and 133,677.48 is: 200,516.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,401.60 : 831,602.40 = 133,677.48 : x
  2. Step 2: Convert to fraction form
    554,401.60/831,602.40 = 133,677.48/x
  3. Step 3: Cross multiply
    554,401.60x = 831,602.40 × 133,677.48
  4. Step 4: Simplify right side
    554,401.60x = 111,166,513,193.95
  5. Step 5: Solve for x
    x = 111,166,513,193.95/554,401.60
  6. Step 6: Final answer
    x = 200,516.22

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.