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Finding the Fourth Proportional to 418,474.26, 577,482.30 and 237,202.86

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Solution

The fourth proportional to 418,474.26, 577,482.30 and 237,202.86 is: 327,333.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,474.26 : 577,482.30 = 237,202.86 : x
  2. Step 2: Convert to fraction form
    418,474.26/577,482.30 = 237,202.86/x
  3. Step 3: Cross multiply
    418,474.26x = 577,482.30 × 237,202.86
  4. Step 4: Simplify right side
    418,474.26x = 136,980,453,159.38
  5. Step 5: Solve for x
    x = 136,980,453,159.38/418,474.26
  6. Step 6: Final answer
    x = 327,333.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.