Home / 434,278.67-651,341.39-167,820.12

Finding the Fourth Proportional to 434,278.67, 651,341.39 and 167,820.12

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Solution

The fourth proportional to 434,278.67, 651,341.39 and 167,820.12 is: 251,700.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,278.67 : 651,341.39 = 167,820.12 : x
  2. Step 2: Convert to fraction form
    434,278.67/651,341.39 = 167,820.12/x
  3. Step 3: Cross multiply
    434,278.67x = 651,341.39 × 167,820.12
  4. Step 4: Simplify right side
    434,278.67x = 109,308,189,391.67
  5. Step 5: Solve for x
    x = 109,308,189,391.67/434,278.67
  6. Step 6: Final answer
    x = 251,700.57

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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.