Home / 345,531.48-476,849.64-202,337.64

Finding the Fourth Proportional to 345,531.48, 476,849.64 and 202,337.64

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Solution

The fourth proportional to 345,531.48, 476,849.64 and 202,337.64 is: 279,235.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,531.48 : 476,849.64 = 202,337.64 : x
  2. Step 2: Convert to fraction form
    345,531.48/476,849.64 = 202,337.64/x
  3. Step 3: Cross multiply
    345,531.48x = 476,849.64 × 202,337.64
  4. Step 4: Simplify right side
    345,531.48x = 96,484,630,792.45
  5. Step 5: Solve for x
    x = 96,484,630,792.45/345,531.48
  6. Step 6: Final answer
    x = 279,235.43

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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.