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Finding the Fourth Proportional to 350,089.16, 482,928.50 and 229,425.08

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Solution

The fourth proportional to 350,089.16, 482,928.50 and 229,425.08 is: 316,479.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,089.16 : 482,928.50 = 229,425.08 : x
  2. Step 2: Convert to fraction form
    350,089.16/482,928.50 = 229,425.08/x
  3. Step 3: Cross multiply
    350,089.16x = 482,928.50 × 229,425.08
  4. Step 4: Simplify right side
    350,089.16x = 110,795,909,746.78
  5. Step 5: Solve for x
    x = 110,795,909,746.78/350,089.16
  6. Step 6: Final answer
    x = 316,479.12

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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.