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Finding the Fourth Proportional to 400,228.96, 600,045.36 and 242,419.36

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Solution

The fourth proportional to 400,228.96, 600,045.36 and 242,419.36 is: 363,448.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,228.96 : 600,045.36 = 242,419.36 : x
  2. Step 2: Convert to fraction form
    400,228.96/600,045.36 = 242,419.36/x
  3. Step 3: Cross multiply
    400,228.96x = 600,045.36 × 242,419.36
  4. Step 4: Simplify right side
    400,228.96x = 145,462,612,142.17
  5. Step 5: Solve for x
    x = 145,462,612,142.17/400,228.96
  6. Step 6: Final answer
    x = 363,448.49

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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.