Home / 554,066.33-831,099.65-133,342.20

Finding the Fourth Proportional to 554,066.33, 831,099.65 and 133,342.20

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Solution

The fourth proportional to 554,066.33, 831,099.65 and 133,342.20 is: 200,013.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,066.33 : 831,099.65 = 133,342.20 : x
  2. Step 2: Convert to fraction form
    554,066.33/831,099.65 = 133,342.20/x
  3. Step 3: Cross multiply
    554,066.33x = 831,099.65 × 133,342.20
  4. Step 4: Simplify right side
    554,066.33x = 110,820,655,083.52
  5. Step 5: Solve for x
    x = 110,820,655,083.52/554,066.33
  6. Step 6: Final answer
    x = 200,013.34

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1.5x scale

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.