Home / 349,418.40-523,999.60-112,823.20

Finding the Fourth Proportional to 349,418.40, 523,999.60 and 112,823.20

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Solution

The fourth proportional to 349,418.40, 523,999.60 and 112,823.20 is: 169,193.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,418.40 : 523,999.60 = 112,823.20 : x
  2. Step 2: Convert to fraction form
    349,418.40/523,999.60 = 112,823.20/x
  3. Step 3: Cross multiply
    349,418.40x = 523,999.60 × 112,823.20
  4. Step 4: Simplify right side
    349,418.40x = 59,119,311,670.72
  5. Step 5: Solve for x
    x = 59,119,311,670.72/349,418.40
  6. Step 6: Final answer
    x = 169,193.47

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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.