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Finding the Fourth Proportional to 343,026.96, 514,726.32 and 143,364.96

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Solution

The fourth proportional to 343,026.96, 514,726.32 and 143,364.96 is: 215,125.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,026.96 : 514,726.32 = 143,364.96 : x
  2. Step 2: Convert to fraction form
    343,026.96/514,726.32 = 143,364.96/x
  3. Step 3: Cross multiply
    343,026.96x = 514,726.32 × 143,364.96
  4. Step 4: Simplify right side
    343,026.96x = 73,793,718,277.75
  5. Step 5: Solve for x
    x = 73,793,718,277.75/343,026.96
  6. Step 6: Final answer
    x = 215,125.13

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1.5x scale

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.