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Finding the Fourth Proportional to 364,320.26, 546,479.90 and 98,081.07

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Solution

The fourth proportional to 364,320.26, 546,479.90 and 98,081.07 is: 147,121.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,320.26 : 546,479.90 = 98,081.07 : x
  2. Step 2: Convert to fraction form
    364,320.26/546,479.90 = 98,081.07/x
  3. Step 3: Cross multiply
    364,320.26x = 546,479.90 × 98,081.07
  4. Step 4: Simplify right side
    364,320.26x = 53,599,333,325.49
  5. Step 5: Solve for x
    x = 53,599,333,325.49/364,320.26
  6. Step 6: Final answer
    x = 147,121.47

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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.