Home / 175,412.40-262,989-145,708.08

Finding the Fourth Proportional to 175,412.40, 262,989 and 145,708.08

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Solution

The fourth proportional to 175,412.40, 262,989 and 145,708.08 is: 218,454.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,412.40 : 262,989 = 145,708.08 : x
  2. Step 2: Convert to fraction form
    175,412.40/262,989 = 145,708.08/x
  3. Step 3: Cross multiply
    175,412.40x = 262,989 × 145,708.08
  4. Step 4: Simplify right side
    175,412.40x = 38,319,622,251.12
  5. Step 5: Solve for x
    x = 38,319,622,251.12/175,412.40
  6. Step 6: Final answer
    x = 218,454.47

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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.