Home / 258,950.47-357,346.15-144,228.76

Finding the Fourth Proportional to 258,950.47, 357,346.15 and 144,228.76

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Solution

The fourth proportional to 258,950.47, 357,346.15 and 144,228.76 is: 199,032.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,950.47 : 357,346.15 = 144,228.76 : x
  2. Step 2: Convert to fraction form
    258,950.47/357,346.15 = 144,228.76/x
  3. Step 3: Cross multiply
    258,950.47x = 357,346.15 × 144,228.76
  4. Step 4: Simplify right side
    258,950.47x = 51,539,592,105.27
  5. Step 5: Solve for x
    x = 51,539,592,105.27/258,950.47
  6. Step 6: Final answer
    x = 199,032.63

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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.