Home / 385,557.60-578,225.20-132,827.84

Finding the Fourth Proportional to 385,557.60, 578,225.20 and 132,827.84

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Solution

The fourth proportional to 385,557.60, 578,225.20 and 132,827.84 is: 199,203.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,557.60 : 578,225.20 = 132,827.84 : x
  2. Step 2: Convert to fraction form
    385,557.60/578,225.20 = 132,827.84/x
  3. Step 3: Cross multiply
    385,557.60x = 578,225.20 × 132,827.84
  4. Step 4: Simplify right side
    385,557.60x = 76,804,404,349.57
  5. Step 5: Solve for x
    x = 76,804,404,349.57/385,557.60
  6. Step 6: Final answer
    x = 199,203.45

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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.