Home / 400,902.07-553,035.10-247,891.35

Finding the Fourth Proportional to 400,902.07, 553,035.10 and 247,891.35

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Solution

The fourth proportional to 400,902.07, 553,035.10 and 247,891.35 is: 341,960.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,902.07 : 553,035.10 = 247,891.35 : x
  2. Step 2: Convert to fraction form
    400,902.07/553,035.10 = 247,891.35/x
  3. Step 3: Cross multiply
    400,902.07x = 553,035.10 × 247,891.35
  4. Step 4: Simplify right side
    400,902.07x = 137,092,616,988.03
  5. Step 5: Solve for x
    x = 137,092,616,988.03/400,902.07
  6. Step 6: Final answer
    x = 341,960.36

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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.