Home / 258,726.27-357,041.71-145,549.02

Finding the Fourth Proportional to 258,726.27, 357,041.71 and 145,549.02

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Solution

The fourth proportional to 258,726.27, 357,041.71 and 145,549.02 is: 200,857.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,726.27 : 357,041.71 = 145,549.02 : x
  2. Step 2: Convert to fraction form
    258,726.27/357,041.71 = 145,549.02/x
  3. Step 3: Cross multiply
    258,726.27x = 357,041.71 × 145,549.02
  4. Step 4: Simplify right side
    258,726.27x = 51,967,070,179.45
  5. Step 5: Solve for x
    x = 51,967,070,179.45/258,726.27
  6. Step 6: Final answer
    x = 200,857.34

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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.