Home / 349,748.47-482,663.78-198,855.19

Finding the Fourth Proportional to 349,748.47, 482,663.78 and 198,855.19

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Solution

The fourth proportional to 349,748.47, 482,663.78 and 198,855.19 is: 274,426.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,748.47 : 482,663.78 = 198,855.19 : x
  2. Step 2: Convert to fraction form
    349,748.47/482,663.78 = 198,855.19/x
  3. Step 3: Cross multiply
    349,748.47x = 482,663.78 × 198,855.19
  4. Step 4: Simplify right side
    349,748.47x = 95,980,197,678.02
  5. Step 5: Solve for x
    x = 95,980,197,678.02/349,748.47
  6. Step 6: Final answer
    x = 274,426.35

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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.