Home / 277,266.07-382,631.55-156,409.72

Finding the Fourth Proportional to 277,266.07, 382,631.55 and 156,409.72

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Solution

The fourth proportional to 277,266.07, 382,631.55 and 156,409.72 is: 215,847.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,266.07 : 382,631.55 = 156,409.72 : x
  2. Step 2: Convert to fraction form
    277,266.07/382,631.55 = 156,409.72/x
  3. Step 3: Cross multiply
    277,266.07x = 382,631.55 × 156,409.72
  4. Step 4: Simplify right side
    277,266.07x = 59,847,292,055.55
  5. Step 5: Solve for x
    x = 59,847,292,055.55/277,266.07
  6. Step 6: Final answer
    x = 215,847.87

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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.