Home / 258,726.75-357,000.57-149,792.28

Finding the Fourth Proportional to 258,726.75, 357,000.57 and 149,792.28

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Solution

The fourth proportional to 258,726.75, 357,000.57 and 149,792.28 is: 206,688.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,726.75 : 357,000.57 = 149,792.28 : x
  2. Step 2: Convert to fraction form
    258,726.75/357,000.57 = 149,792.28/x
  3. Step 3: Cross multiply
    258,726.75x = 357,000.57 × 149,792.28
  4. Step 4: Simplify right side
    258,726.75x = 53,475,929,341.60
  5. Step 5: Solve for x
    x = 53,475,929,341.60/258,726.75
  6. Step 6: Final answer
    x = 206,688.83

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1.5x scale

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.