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Finding the Fourth Proportional to 400,225.96, 600,040.86 and 242,416.36

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Solution

The fourth proportional to 400,225.96, 600,040.86 and 242,416.36 is: 363,443.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,225.96 : 600,040.86 = 242,416.36 : x
  2. Step 2: Convert to fraction form
    400,225.96/600,040.86 = 242,416.36/x
  3. Step 3: Cross multiply
    400,225.96x = 600,040.86 × 242,416.36
  4. Step 4: Simplify right side
    400,225.96x = 145,459,721,132.47
  5. Step 5: Solve for x
    x = 145,459,721,132.47/400,225.96
  6. Step 6: Final answer
    x = 363,443.99

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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.