Home / 228,255.12-314,998.74-124,895.52

Finding the Fourth Proportional to 228,255.12, 314,998.74 and 124,895.52

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Solution

The fourth proportional to 228,255.12, 314,998.74 and 124,895.52 is: 172,359.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,255.12 : 314,998.74 = 124,895.52 : x
  2. Step 2: Convert to fraction form
    228,255.12/314,998.74 = 124,895.52/x
  3. Step 3: Cross multiply
    228,255.12x = 314,998.74 × 124,895.52
  4. Step 4: Simplify right side
    228,255.12x = 39,341,931,431.64
  5. Step 5: Solve for x
    x = 39,341,931,431.64/228,255.12
  6. Step 6: Final answer
    x = 172,359.47

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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.