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Finding the Fourth Proportional to 491,549.69, 737,329.40 and 154,582.81

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Solution

The fourth proportional to 491,549.69, 737,329.40 and 154,582.81 is: 231,875.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,549.69 : 737,329.40 = 154,582.81 : x
  2. Step 2: Convert to fraction form
    491,549.69/737,329.40 = 154,582.81/x
  3. Step 3: Cross multiply
    491,549.69x = 737,329.40 × 154,582.81
  4. Step 4: Simplify right side
    491,549.69x = 113,978,450,547.61
  5. Step 5: Solve for x
    x = 113,978,450,547.61/491,549.69
  6. Step 6: Final answer
    x = 231,875.74

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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.