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Finding the Fourth Proportional to 406,381.32, 560,758.32 and 234,297.36

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Solution

The fourth proportional to 406,381.32, 560,758.32 and 234,297.36 is: 323,302.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,381.32 : 560,758.32 = 234,297.36 : x
  2. Step 2: Convert to fraction form
    406,381.32/560,758.32 = 234,297.36/x
  3. Step 3: Cross multiply
    406,381.32x = 560,758.32 × 234,297.36
  4. Step 4: Simplify right side
    406,381.32x = 131,384,193,974.04
  5. Step 5: Solve for x
    x = 131,384,193,974.04/406,381.32
  6. Step 6: Final answer
    x = 323,302.74

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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.