Home / 282,922.34-390,337.17-160,401.57

Finding the Fourth Proportional to 282,922.34, 390,337.17 and 160,401.57

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Solution

The fourth proportional to 282,922.34, 390,337.17 and 160,401.57 is: 221,299.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,922.34 : 390,337.17 = 160,401.57 : x
  2. Step 2: Convert to fraction form
    282,922.34/390,337.17 = 160,401.57/x
  3. Step 3: Cross multiply
    282,922.34x = 390,337.17 × 160,401.57
  4. Step 4: Simplify right side
    282,922.34x = 62,610,694,897.36
  5. Step 5: Solve for x
    x = 62,610,694,897.36/282,922.34
  6. Step 6: Final answer
    x = 221,299.94

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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.