Home / 521,840.02-782,747.67-166,857.13

Finding the Fourth Proportional to 521,840.02, 782,747.67 and 166,857.13

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Solution

The fourth proportional to 521,840.02, 782,747.67 and 166,857.13 is: 250,281.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,840.02 : 782,747.67 = 166,857.13 : x
  2. Step 2: Convert to fraction form
    521,840.02/782,747.67 = 166,857.13/x
  3. Step 3: Cross multiply
    521,840.02x = 782,747.67 × 166,857.13
  4. Step 4: Simplify right side
    521,840.02x = 130,607,029,730.39
  5. Step 5: Solve for x
    x = 130,607,029,730.39/521,840.02
  6. Step 6: Final answer
    x = 250,281.74

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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.