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Finding the Fourth Proportional to 298,035.49, 411,259.53 and 168,948.49

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Solution

The fourth proportional to 298,035.49, 411,259.53 and 168,948.49 is: 233,132.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,035.49 : 411,259.53 = 168,948.49 : x
  2. Step 2: Convert to fraction form
    298,035.49/411,259.53 = 168,948.49/x
  3. Step 3: Cross multiply
    298,035.49x = 411,259.53 × 168,948.49
  4. Step 4: Simplify right side
    298,035.49x = 69,481,676,591.61
  5. Step 5: Solve for x
    x = 69,481,676,591.61/298,035.49
  6. Step 6: Final answer
    x = 233,132.22

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1.5x scale

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.