Home / 217,712.98-300,391.34-127,017.18

Finding the Fourth Proportional to 217,712.98, 300,391.34 and 127,017.18

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Solution

The fourth proportional to 217,712.98, 300,391.34 and 127,017.18 is: 175,253.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,712.98 : 300,391.34 = 127,017.18 : x
  2. Step 2: Convert to fraction form
    217,712.98/300,391.34 = 127,017.18/x
  3. Step 3: Cross multiply
    217,712.98x = 300,391.34 × 127,017.18
  4. Step 4: Simplify right side
    217,712.98x = 38,154,860,268.14
  5. Step 5: Solve for x
    x = 38,154,860,268.14/217,712.98
  6. Step 6: Final answer
    x = 175,253.03

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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.