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Finding the Fourth Proportional to 395,011.56, 544,960.84 and 229,411.34

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Solution

The fourth proportional to 395,011.56, 544,960.84 and 229,411.34 is: 316,497.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,011.56 : 544,960.84 = 229,411.34 : x
  2. Step 2: Convert to fraction form
    395,011.56/544,960.84 = 229,411.34/x
  3. Step 3: Cross multiply
    395,011.56x = 544,960.84 × 229,411.34
  4. Step 4: Simplify right side
    395,011.56x = 125,020,194,113.89
  5. Step 5: Solve for x
    x = 125,020,194,113.89/395,011.56
  6. Step 6: Final answer
    x = 316,497.56

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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.