Home / 349,467.12-482,237.28-194,423.76

Finding the Fourth Proportional to 349,467.12, 482,237.28 and 194,423.76

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Solution

The fourth proportional to 349,467.12, 482,237.28 and 194,423.76 is: 268,289.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,467.12 : 482,237.28 = 194,423.76 : x
  2. Step 2: Convert to fraction form
    349,467.12/482,237.28 = 194,423.76/x
  3. Step 3: Cross multiply
    349,467.12x = 482,237.28 × 194,423.76
  4. Step 4: Simplify right side
    349,467.12x = 93,758,385,189.77
  5. Step 5: Solve for x
    x = 93,758,385,189.77/349,467.12
  6. Step 6: Final answer
    x = 268,289.58

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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.