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Finding the Fourth Proportional to 539,050.60, 808,575.90 and 159,970.60

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Solution

The fourth proportional to 539,050.60, 808,575.90 and 159,970.60 is: 239,955.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,050.60 : 808,575.90 = 159,970.60 : x
  2. Step 2: Convert to fraction form
    539,050.60/808,575.90 = 159,970.60/x
  3. Step 3: Cross multiply
    539,050.60x = 808,575.90 × 159,970.60
  4. Step 4: Simplify right side
    539,050.60x = 129,348,371,868.54
  5. Step 5: Solve for x
    x = 129,348,371,868.54/539,050.60
  6. Step 6: Final answer
    x = 239,955.90

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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.