Home / 349,068.68-523,650-112,354.28

Finding the Fourth Proportional to 349,068.68, 523,650 and 112,354.28

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Solution

The fourth proportional to 349,068.68, 523,650 and 112,354.28 is: 168,546.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,068.68 : 523,650 = 112,354.28 : x
  2. Step 2: Convert to fraction form
    349,068.68/523,650 = 112,354.28/x
  3. Step 3: Cross multiply
    349,068.68x = 523,650 × 112,354.28
  4. Step 4: Simplify right side
    349,068.68x = 58,834,318,722
  5. Step 5: Solve for x
    x = 58,834,318,722/349,068.68
  6. Step 6: Final answer
    x = 168,546.54

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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.