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Finding the Fourth Proportional to 601,871.60, 902,807.40 and 247,140.20

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Solution

The fourth proportional to 601,871.60, 902,807.40 and 247,140.20 is: 370,710.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,871.60 : 902,807.40 = 247,140.20 : x
  2. Step 2: Convert to fraction form
    601,871.60/902,807.40 = 247,140.20/x
  3. Step 3: Cross multiply
    601,871.60x = 902,807.40 × 247,140.20
  4. Step 4: Simplify right side
    601,871.60x = 223,120,001,397.48
  5. Step 5: Solve for x
    x = 223,120,001,397.48/601,871.60
  6. Step 6: Final answer
    x = 370,710.30

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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.