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Finding the Fourth Proportional to 153,480.32, 230,224.80 and 42,672.32

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Solution

The fourth proportional to 153,480.32, 230,224.80 and 42,672.32 is: 64,009.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,480.32 : 230,224.80 = 42,672.32 : x
  2. Step 2: Convert to fraction form
    153,480.32/230,224.80 = 42,672.32/x
  3. Step 3: Cross multiply
    153,480.32x = 230,224.80 × 42,672.32
  4. Step 4: Simplify right side
    153,480.32x = 9,824,226,337.54
  5. Step 5: Solve for x
    x = 9,824,226,337.54/153,480.32
  6. Step 6: Final answer
    x = 64,009.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.