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Finding the Fourth Proportional to 243,404.32, 335,897.08 and 134,505.60

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Solution

The fourth proportional to 243,404.32, 335,897.08 and 134,505.60 is: 185,617.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,404.32 : 335,897.08 = 134,505.60 : x
  2. Step 2: Convert to fraction form
    243,404.32/335,897.08 = 134,505.60/x
  3. Step 3: Cross multiply
    243,404.32x = 335,897.08 × 134,505.60
  4. Step 4: Simplify right side
    243,404.32x = 45,180,038,283.65
  5. Step 5: Solve for x
    x = 45,180,038,283.65/243,404.32
  6. Step 6: Final answer
    x = 185,617.24

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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.