Home / 265,613.43-398,203.04-123,547.28

Finding the Fourth Proportional to 265,613.43, 398,203.04 and 123,547.28

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Solution

The fourth proportional to 265,613.43, 398,203.04 and 123,547.28 is: 185,219.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,613.43 : 398,203.04 = 123,547.28 : x
  2. Step 2: Convert to fraction form
    265,613.43/398,203.04 = 123,547.28/x
  3. Step 3: Cross multiply
    265,613.43x = 398,203.04 × 123,547.28
  4. Step 4: Simplify right side
    265,613.43x = 49,196,900,102.63
  5. Step 5: Solve for x
    x = 49,196,900,102.63/265,613.43
  6. Step 6: Final answer
    x = 185,219.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.