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Finding the Fourth Proportional to 375,378.84, 518,030.37 and 205,613.10

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Solution

The fourth proportional to 375,378.84, 518,030.37 and 205,613.10 is: 283,750.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,378.84 : 518,030.37 = 205,613.10 : x
  2. Step 2: Convert to fraction form
    375,378.84/518,030.37 = 205,613.10/x
  3. Step 3: Cross multiply
    375,378.84x = 518,030.37 × 205,613.10
  4. Step 4: Simplify right side
    375,378.84x = 106,513,830,269.85
  5. Step 5: Solve for x
    x = 106,513,830,269.85/375,378.84
  6. Step 6: Final answer
    x = 283,750.22

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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.