Home / 372,941.76-514,658.40-203,175.36

Finding the Fourth Proportional to 372,941.76, 514,658.40 and 203,175.36

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Solution

The fourth proportional to 372,941.76, 514,658.40 and 203,175.36 is: 280,381.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,941.76 : 514,658.40 = 203,175.36 : x
  2. Step 2: Convert to fraction form
    372,941.76/514,658.40 = 203,175.36/x
  3. Step 3: Cross multiply
    372,941.76x = 514,658.40 × 203,175.36
  4. Step 4: Simplify right side
    372,941.76x = 104,565,905,697.02
  5. Step 5: Solve for x
    x = 104,565,905,697.02/372,941.76
  6. Step 6: Final answer
    x = 280,381.33

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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.