Home / 400,435.47-600,646.14-100,909.35

Finding the Fourth Proportional to 400,435.47, 600,646.14 and 100,909.35

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Solution

The fourth proportional to 400,435.47, 600,646.14 and 100,909.35 is: 151,362.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,435.47 : 600,646.14 = 100,909.35 : x
  2. Step 2: Convert to fraction form
    400,435.47/600,646.14 = 100,909.35/x
  3. Step 3: Cross multiply
    400,435.47x = 600,646.14 × 100,909.35
  4. Step 4: Simplify right side
    400,435.47x = 60,610,811,567.41
  5. Step 5: Solve for x
    x = 60,610,811,567.41/400,435.47
  6. Step 6: Final answer
    x = 151,362.24

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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.