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Finding the Fourth Proportional to 234,547.92, 349,212.06 and 231,235.20

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Solution

The fourth proportional to 234,547.92, 349,212.06 and 231,235.20 is: 344,279.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,547.92 : 349,212.06 = 231,235.20 : x
  2. Step 2: Convert to fraction form
    234,547.92/349,212.06 = 231,235.20/x
  3. Step 3: Cross multiply
    234,547.92x = 349,212.06 × 231,235.20
  4. Step 4: Simplify right side
    234,547.92x = 80,750,120,536.51
  5. Step 5: Solve for x
    x = 80,750,120,536.51/234,547.92
  6. Step 6: Final answer
    x = 344,279.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.