Home / 387,677.10-534,915.93-226,500.96

Finding the Fourth Proportional to 387,677.10, 534,915.93 and 226,500.96

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Solution

The fourth proportional to 387,677.10, 534,915.93 and 226,500.96 is: 312,525.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,677.10 : 534,915.93 = 226,500.96 : x
  2. Step 2: Convert to fraction form
    387,677.10/534,915.93 = 226,500.96/x
  3. Step 3: Cross multiply
    387,677.10x = 534,915.93 × 226,500.96
  4. Step 4: Simplify right side
    387,677.10x = 121,158,971,664.29
  5. Step 5: Solve for x
    x = 121,158,971,664.29/387,677.10
  6. Step 6: Final answer
    x = 312,525.48

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1.5x scale

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.