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Finding the Fourth Proportional to 500,091.03, 750,003.30 and 140,242.05

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Solution

The fourth proportional to 500,091.03, 750,003.30 and 140,242.05 is: 210,325.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,091.03 : 750,003.30 = 140,242.05 : x
  2. Step 2: Convert to fraction form
    500,091.03/750,003.30 = 140,242.05/x
  3. Step 3: Cross multiply
    500,091.03x = 750,003.30 × 140,242.05
  4. Step 4: Simplify right side
    500,091.03x = 105,182,000,298.77
  5. Step 5: Solve for x
    x = 105,182,000,298.77/500,091.03
  6. Step 6: Final answer
    x = 210,325.71

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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.