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Finding the Fourth Proportional to 445,547.45, 614,888.07 and 254,556.74

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Solution

The fourth proportional to 445,547.45, 614,888.07 and 254,556.74 is: 351,306.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,547.45 : 614,888.07 = 254,556.74 : x
  2. Step 2: Convert to fraction form
    445,547.45/614,888.07 = 254,556.74/x
  3. Step 3: Cross multiply
    445,547.45x = 614,888.07 × 254,556.74
  4. Step 4: Simplify right side
    445,547.45x = 156,523,902,564.09
  5. Step 5: Solve for x
    x = 156,523,902,564.09/445,547.45
  6. Step 6: Final answer
    x = 351,306.92

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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.