Home / 356,922.90-534,332.48-312,636.15

Finding the Fourth Proportional to 356,922.90, 534,332.48 and 312,636.15

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Solution

The fourth proportional to 356,922.90, 534,332.48 and 312,636.15 is: 468,032.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,922.90 : 534,332.48 = 312,636.15 : x
  2. Step 2: Convert to fraction form
    356,922.90/534,332.48 = 312,636.15/x
  3. Step 3: Cross multiply
    356,922.90x = 534,332.48 × 312,636.15
  4. Step 4: Simplify right side
    356,922.90x = 167,051,647,803.97
  5. Step 5: Solve for x
    x = 167,051,647,803.97/356,922.90
  6. Step 6: Final answer
    x = 468,032.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.