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Finding the Fourth Proportional to 258,774.89, 357,119.80 and 144,058.23

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Solution

The fourth proportional to 258,774.89, 357,119.80 and 144,058.23 is: 198,806.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,774.89 : 357,119.80 = 144,058.23 : x
  2. Step 2: Convert to fraction form
    258,774.89/357,119.80 = 144,058.23/x
  3. Step 3: Cross multiply
    258,774.89x = 357,119.80 × 144,058.23
  4. Step 4: Simplify right side
    258,774.89x = 51,446,046,285.95
  5. Step 5: Solve for x
    x = 51,446,046,285.95/258,774.89
  6. Step 6: Final answer
    x = 198,806.18

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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.