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Finding the Fourth Proportional to 229,547.78, 344,341.50 and 63,335.78

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Solution

The fourth proportional to 229,547.78, 344,341.50 and 63,335.78 is: 95,009.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,547.78 : 344,341.50 = 63,335.78 : x
  2. Step 2: Convert to fraction form
    229,547.78/344,341.50 = 63,335.78/x
  3. Step 3: Cross multiply
    229,547.78x = 344,341.50 × 63,335.78
  4. Step 4: Simplify right side
    229,547.78x = 21,809,137,488.87
  5. Step 5: Solve for x
    x = 21,809,137,488.87/229,547.78
  6. Step 6: Final answer
    x = 95,009.14

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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.