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Finding the Fourth Proportional to 333,720.32, 459,377 and 291,205.04

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Solution

The fourth proportional to 333,720.32, 459,377 and 291,205.04 is: 400,853.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,720.32 : 459,377 = 291,205.04 : x
  2. Step 2: Convert to fraction form
    333,720.32/459,377 = 291,205.04/x
  3. Step 3: Cross multiply
    333,720.32x = 459,377 × 291,205.04
  4. Step 4: Simplify right side
    333,720.32x = 133,772,897,660.08
  5. Step 5: Solve for x
    x = 133,772,897,660.08/333,720.32
  6. Step 6: Final answer
    x = 400,853.32

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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.