Home / 348,885.20-523,327.80-229,912.40

Finding the Fourth Proportional to 348,885.20, 523,327.80 and 229,912.40

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Solution

The fourth proportional to 348,885.20, 523,327.80 and 229,912.40 is: 344,868.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,885.20 : 523,327.80 = 229,912.40 : x
  2. Step 2: Convert to fraction form
    348,885.20/523,327.80 = 229,912.40/x
  3. Step 3: Cross multiply
    348,885.20x = 523,327.80 × 229,912.40
  4. Step 4: Simplify right side
    348,885.20x = 120,319,550,484.72
  5. Step 5: Solve for x
    x = 120,319,550,484.72/348,885.20
  6. Step 6: Final answer
    x = 344,868.60

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1.5x scale

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.