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Finding the Fourth Proportional to 153,358.40, 230,037.60 and 42,550.40

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Solution

The fourth proportional to 153,358.40, 230,037.60 and 42,550.40 is: 63,825.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,358.40 : 230,037.60 = 42,550.40 : x
  2. Step 2: Convert to fraction form
    153,358.40/230,037.60 = 42,550.40/x
  3. Step 3: Cross multiply
    153,358.40x = 230,037.60 × 42,550.40
  4. Step 4: Simplify right side
    153,358.40x = 9,788,191,895.04
  5. Step 5: Solve for x
    x = 9,788,191,895.04/153,358.40
  6. Step 6: Final answer
    x = 63,825.60

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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.