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Finding the Fourth Proportional to 160,320.60, 240,480.90 and 42,003.90

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Solution

The fourth proportional to 160,320.60, 240,480.90 and 42,003.90 is: 63,005.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,320.60 : 240,480.90 = 42,003.90 : x
  2. Step 2: Convert to fraction form
    160,320.60/240,480.90 = 42,003.90/x
  3. Step 3: Cross multiply
    160,320.60x = 240,480.90 × 42,003.90
  4. Step 4: Simplify right side
    160,320.60x = 10,101,135,675.51
  5. Step 5: Solve for x
    x = 10,101,135,675.51/160,320.60
  6. Step 6: Final answer
    x = 63,005.85

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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.