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Finding the Fourth Proportional to 555,318.40, 833,366.40 and 240,001.60

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Solution

The fourth proportional to 555,318.40, 833,366.40 and 240,001.60 is: 360,170.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,318.40 : 833,366.40 = 240,001.60 : x
  2. Step 2: Convert to fraction form
    555,318.40/833,366.40 = 240,001.60/x
  3. Step 3: Cross multiply
    555,318.40x = 833,366.40 × 240,001.60
  4. Step 4: Simplify right side
    555,318.40x = 200,009,269,386.24
  5. Step 5: Solve for x
    x = 200,009,269,386.24/555,318.40
  6. Step 6: Final answer
    x = 360,170.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.