Home / 521,842.02-782,750.67-166,859.13

Finding the Fourth Proportional to 521,842.02, 782,750.67 and 166,859.13

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Solution

The fourth proportional to 521,842.02, 782,750.67 and 166,859.13 is: 250,284.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,842.02 : 782,750.67 = 166,859.13 : x
  2. Step 2: Convert to fraction form
    521,842.02/782,750.67 = 166,859.13/x
  3. Step 3: Cross multiply
    521,842.02x = 782,750.67 × 166,859.13
  4. Step 4: Simplify right side
    521,842.02x = 130,609,095,803.12
  5. Step 5: Solve for x
    x = 130,609,095,803.12/521,842.02
  6. Step 6: Final answer
    x = 250,284.74

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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.