Home / 349,254.30-523,443.08-149,339.54

Finding the Fourth Proportional to 349,254.30, 523,443.08 and 149,339.54

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Solution

The fourth proportional to 349,254.30, 523,443.08 and 149,339.54 is: 223,821.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,254.30 : 523,443.08 = 149,339.54 : x
  2. Step 2: Convert to fraction form
    349,254.30/523,443.08 = 149,339.54/x
  3. Step 3: Cross multiply
    349,254.30x = 523,443.08 × 149,339.54
  4. Step 4: Simplify right side
    349,254.30x = 78,170,748,783.38
  5. Step 5: Solve for x
    x = 78,170,748,783.38/349,254.30
  6. Step 6: Final answer
    x = 223,821.86

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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.