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Finding the Fourth Proportional to 272,066.84, 375,344.34 and 157,324.28

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Solution

The fourth proportional to 272,066.84, 375,344.34 and 157,324.28 is: 217,045.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,066.84 : 375,344.34 = 157,324.28 : x
  2. Step 2: Convert to fraction form
    272,066.84/375,344.34 = 157,324.28/x
  3. Step 3: Cross multiply
    272,066.84x = 375,344.34 × 157,324.28
  4. Step 4: Simplify right side
    272,066.84x = 59,050,778,042.58
  5. Step 5: Solve for x
    x = 59,050,778,042.58/272,066.84
  6. Step 6: Final answer
    x = 217,045.11

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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.