Home / 277,286.45-415,888.04-87,722.18

Finding the Fourth Proportional to 277,286.45, 415,888.04 and 87,722.18

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Solution

The fourth proportional to 277,286.45, 415,888.04 and 87,722.18 is: 131,570.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,286.45 : 415,888.04 = 87,722.18 : x
  2. Step 2: Convert to fraction form
    277,286.45/415,888.04 = 87,722.18/x
  3. Step 3: Cross multiply
    277,286.45x = 415,888.04 × 87,722.18
  4. Step 4: Simplify right side
    277,286.45x = 36,482,606,522.07
  5. Step 5: Solve for x
    x = 36,482,606,522.07/277,286.45
  6. Step 6: Final answer
    x = 131,570.10

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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.