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Finding the Fourth Proportional to 277,012.04, 415,370.20 and 143,758.12

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Solution

The fourth proportional to 277,012.04, 415,370.20 and 143,758.12 is: 215,560.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,012.04 : 415,370.20 = 143,758.12 : x
  2. Step 2: Convert to fraction form
    277,012.04/415,370.20 = 143,758.12/x
  3. Step 3: Cross multiply
    277,012.04x = 415,370.20 × 143,758.12
  4. Step 4: Simplify right side
    277,012.04x = 59,712,839,056.02
  5. Step 5: Solve for x
    x = 59,712,839,056.02/277,012.04
  6. Step 6: Final answer
    x = 215,560.45

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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.