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Finding the Fourth Proportional to 401,737.20, 602,605.80 and 233,775.60

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Solution

The fourth proportional to 401,737.20, 602,605.80 and 233,775.60 is: 350,663.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,737.20 : 602,605.80 = 233,775.60 : x
  2. Step 2: Convert to fraction form
    401,737.20/602,605.80 = 233,775.60/x
  3. Step 3: Cross multiply
    401,737.20x = 602,605.80 × 233,775.60
  4. Step 4: Simplify right side
    401,737.20x = 140,874,532,458.48
  5. Step 5: Solve for x
    x = 140,874,532,458.48/401,737.20
  6. Step 6: Final answer
    x = 350,663.40

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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.