Home / 486,937.34-671,960.94-272,079.18

Finding the Fourth Proportional to 486,937.34, 671,960.94 and 272,079.18

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Solution

The fourth proportional to 486,937.34, 671,960.94 and 272,079.18 is: 375,462.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,937.34 : 671,960.94 = 272,079.18 : x
  2. Step 2: Convert to fraction form
    486,937.34/671,960.94 = 272,079.18/x
  3. Step 3: Cross multiply
    486,937.34x = 671,960.94 × 272,079.18
  4. Step 4: Simplify right side
    486,937.34x = 182,826,581,547.23
  5. Step 5: Solve for x
    x = 182,826,581,547.23/486,937.34
  6. Step 6: Final answer
    x = 375,462.23

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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.