Home / 258,864.39-357,256.98-151,427.61

Finding the Fourth Proportional to 258,864.39, 357,256.98 and 151,427.61

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Solution

The fourth proportional to 258,864.39, 357,256.98 and 151,427.61 is: 208,984.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,864.39 : 357,256.98 = 151,427.61 : x
  2. Step 2: Convert to fraction form
    258,864.39/357,256.98 = 151,427.61/x
  3. Step 3: Cross multiply
    258,864.39x = 357,256.98 × 151,427.61
  4. Step 4: Simplify right side
    258,864.39x = 54,098,570,637.22
  5. Step 5: Solve for x
    x = 54,098,570,637.22/258,864.39
  6. Step 6: Final answer
    x = 208,984.21

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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.