Home / 467,549.60-645,225.36-266,341.28

Finding the Fourth Proportional to 467,549.60, 645,225.36 and 266,341.28

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Solution

The fourth proportional to 467,549.60, 645,225.36 and 266,341.28 is: 367,554.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,549.60 : 645,225.36 = 266,341.28 : x
  2. Step 2: Convert to fraction form
    467,549.60/645,225.36 = 266,341.28/x
  3. Step 3: Cross multiply
    467,549.60x = 645,225.36 × 266,341.28
  4. Step 4: Simplify right side
    467,549.60x = 171,850,148,270.86
  5. Step 5: Solve for x
    x = 171,850,148,270.86/467,549.60
  6. Step 6: Final answer
    x = 367,554.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.