Home / 447,488.32-617,522.16-243,543.20

Finding the Fourth Proportional to 447,488.32, 617,522.16 and 243,543.20

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Solution

The fourth proportional to 447,488.32, 617,522.16 and 243,543.20 is: 336,083.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,488.32 : 617,522.16 = 243,543.20 : x
  2. Step 2: Convert to fraction form
    447,488.32/617,522.16 = 243,543.20/x
  3. Step 3: Cross multiply
    447,488.32x = 617,522.16 × 243,543.20
  4. Step 4: Simplify right side
    447,488.32x = 150,393,322,917.31
  5. Step 5: Solve for x
    x = 150,393,322,917.31/447,488.32
  6. Step 6: Final answer
    x = 336,083.24

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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.