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Finding the Fourth Proportional to 482,466.44, 723,678.72 and 162,597.20

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Solution

The fourth proportional to 482,466.44, 723,678.72 and 162,597.20 is: 243,888.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,466.44 : 723,678.72 = 162,597.20 : x
  2. Step 2: Convert to fraction form
    482,466.44/723,678.72 = 162,597.20/x
  3. Step 3: Cross multiply
    482,466.44x = 723,678.72 × 162,597.20
  4. Step 4: Simplify right side
    482,466.44x = 117,668,133,571.58
  5. Step 5: Solve for x
    x = 117,668,133,571.58/482,466.44
  6. Step 6: Final answer
    x = 243,888.74

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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.