Home / 347,446.07-479,483.70-194,480.46

Finding the Fourth Proportional to 347,446.07, 479,483.70 and 194,480.46

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Solution

The fourth proportional to 347,446.07, 479,483.70 and 194,480.46 is: 268,387.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,446.07 : 479,483.70 = 194,480.46 : x
  2. Step 2: Convert to fraction form
    347,446.07/479,483.70 = 194,480.46/x
  3. Step 3: Cross multiply
    347,446.07x = 479,483.70 × 194,480.46
  4. Step 4: Simplify right side
    347,446.07x = 93,250,210,903.15
  5. Step 5: Solve for x
    x = 93,250,210,903.15/347,446.07
  6. Step 6: Final answer
    x = 268,387.58

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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.