Home / 529,139.20-792,931.20-213,044.80

Finding the Fourth Proportional to 529,139.20, 792,931.20 and 213,044.80

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Solution

The fourth proportional to 529,139.20, 792,931.20 and 213,044.80 is: 319,254.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,139.20 : 792,931.20 = 213,044.80 : x
  2. Step 2: Convert to fraction form
    529,139.20/792,931.20 = 213,044.80/x
  3. Step 3: Cross multiply
    529,139.20x = 792,931.20 × 213,044.80
  4. Step 4: Simplify right side
    529,139.20x = 168,929,868,917.76
  5. Step 5: Solve for x
    x = 168,929,868,917.76/529,139.20
  6. Step 6: Final answer
    x = 319,254.12

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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.