Home / 438,667.60-658,001.40-202,471.60

Finding the Fourth Proportional to 438,667.60, 658,001.40 and 202,471.60

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Solution

The fourth proportional to 438,667.60, 658,001.40 and 202,471.60 is: 303,707.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,667.60 : 658,001.40 = 202,471.60 : x
  2. Step 2: Convert to fraction form
    438,667.60/658,001.40 = 202,471.60/x
  3. Step 3: Cross multiply
    438,667.60x = 658,001.40 × 202,471.60
  4. Step 4: Simplify right side
    438,667.60x = 133,226,596,260.24
  5. Step 5: Solve for x
    x = 133,226,596,260.24/438,667.60
  6. Step 6: Final answer
    x = 303,707.40

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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.