Home / 349,734.30-524,601.45-139,523.10

Finding the Fourth Proportional to 349,734.30, 524,601.45 and 139,523.10

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Solution

The fourth proportional to 349,734.30, 524,601.45 and 139,523.10 is: 209,284.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,734.30 : 524,601.45 = 139,523.10 : x
  2. Step 2: Convert to fraction form
    349,734.30/524,601.45 = 139,523.10/x
  3. Step 3: Cross multiply
    349,734.30x = 524,601.45 × 139,523.10
  4. Step 4: Simplify right side
    349,734.30x = 73,194,020,568.50
  5. Step 5: Solve for x
    x = 73,194,020,568.50/349,734.30
  6. Step 6: Final answer
    x = 209,284.65

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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.