Home / 258,934.56-357,282-145,733.28

Finding the Fourth Proportional to 258,934.56, 357,282 and 145,733.28

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Solution

The fourth proportional to 258,934.56, 357,282 and 145,733.28 is: 201,085.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,934.56 : 357,282 = 145,733.28 : x
  2. Step 2: Convert to fraction form
    258,934.56/357,282 = 145,733.28/x
  3. Step 3: Cross multiply
    258,934.56x = 357,282 × 145,733.28
  4. Step 4: Simplify right side
    258,934.56x = 52,067,877,744.96
  5. Step 5: Solve for x
    x = 52,067,877,744.96/258,934.56
  6. Step 6: Final answer
    x = 201,085.08

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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.