Home / 145,472.22-218,208.60-40,291.47

Finding the Fourth Proportional to 145,472.22, 218,208.60 and 40,291.47

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Solution

The fourth proportional to 145,472.22, 218,208.60 and 40,291.47 is: 60,437.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,472.22 : 218,208.60 = 40,291.47 : x
  2. Step 2: Convert to fraction form
    145,472.22/218,208.60 = 40,291.47/x
  3. Step 3: Cross multiply
    145,472.22x = 218,208.60 × 40,291.47
  4. Step 4: Simplify right side
    145,472.22x = 8,791,945,260.64
  5. Step 5: Solve for x
    x = 8,791,945,260.64/145,472.22
  6. Step 6: Final answer
    x = 60,437.28

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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.