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Finding the Fourth Proportional to 228,087.86, 314,751.36 and 124,720.16

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Solution

The fourth proportional to 228,087.86, 314,751.36 and 124,720.16 is: 172,108.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,087.86 : 314,751.36 = 124,720.16 : x
  2. Step 2: Convert to fraction form
    228,087.86/314,751.36 = 124,720.16/x
  3. Step 3: Cross multiply
    228,087.86x = 314,751.36 × 124,720.16
  4. Step 4: Simplify right side
    228,087.86x = 39,255,839,979.42
  5. Step 5: Solve for x
    x = 39,255,839,979.42/228,087.86
  6. Step 6: Final answer
    x = 172,108.41

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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.