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Finding the Fourth Proportional to 385,352.40, 577,999.80 and 160,654.80

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Solution

The fourth proportional to 385,352.40, 577,999.80 and 160,654.80 is: 240,970.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,352.40 : 577,999.80 = 160,654.80 : x
  2. Step 2: Convert to fraction form
    385,352.40/577,999.80 = 160,654.80/x
  3. Step 3: Cross multiply
    385,352.40x = 577,999.80 × 160,654.80
  4. Step 4: Simplify right side
    385,352.40x = 92,858,442,269.04
  5. Step 5: Solve for x
    x = 92,858,442,269.04/385,352.40
  6. Step 6: Final answer
    x = 240,970.19

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1.5x scale

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.