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Finding the Fourth Proportional to 402,301.32, 602,861.47 and 202,346.64

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Solution

The fourth proportional to 402,301.32, 602,861.47 and 202,346.64 is: 303,222.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,301.32 : 602,861.47 = 202,346.64 : x
  2. Step 2: Convert to fraction form
    402,301.32/602,861.47 = 202,346.64/x
  3. Step 3: Cross multiply
    402,301.32x = 602,861.47 × 202,346.64
  4. Step 4: Simplify right side
    402,301.32x = 121,986,992,334.09
  5. Step 5: Solve for x
    x = 121,986,992,334.09/402,301.32
  6. Step 6: Final answer
    x = 303,222.95

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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.