Home / 348,923.60-523,423.80-127,355.60

Finding the Fourth Proportional to 348,923.60, 523,423.80 and 127,355.60

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Solution

The fourth proportional to 348,923.60, 523,423.80 and 127,355.60 is: 191,047.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,923.60 : 523,423.80 = 127,355.60 : x
  2. Step 2: Convert to fraction form
    348,923.60/523,423.80 = 127,355.60/x
  3. Step 3: Cross multiply
    348,923.60x = 523,423.80 × 127,355.60
  4. Step 4: Simplify right side
    348,923.60x = 66,660,952,103.28
  5. Step 5: Solve for x
    x = 66,660,952,103.28/348,923.60
  6. Step 6: Final answer
    x = 191,047.42

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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.