Home / 379,422.20-523,603.96-207,340.14

Finding the Fourth Proportional to 379,422.20, 523,603.96 and 207,340.14

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Solution

The fourth proportional to 379,422.20, 523,603.96 and 207,340.14 is: 286,130.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,422.20 : 523,603.96 = 207,340.14 : x
  2. Step 2: Convert to fraction form
    379,422.20/523,603.96 = 207,340.14/x
  3. Step 3: Cross multiply
    379,422.20x = 523,603.96 × 207,340.14
  4. Step 4: Simplify right side
    379,422.20x = 108,564,118,370.95
  5. Step 5: Solve for x
    x = 108,564,118,370.95/379,422.20
  6. Step 6: Final answer
    x = 286,130.12

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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.