Home / 277,983.17-417,000.72-78,303.23

Finding the Fourth Proportional to 277,983.17, 417,000.72 and 78,303.23

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Solution

The fourth proportional to 277,983.17, 417,000.72 and 78,303.23 is: 117,462.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,983.17 : 417,000.72 = 78,303.23 : x
  2. Step 2: Convert to fraction form
    277,983.17/417,000.72 = 78,303.23/x
  3. Step 3: Cross multiply
    277,983.17x = 417,000.72 × 78,303.23
  4. Step 4: Simplify right side
    277,983.17x = 32,652,503,288.33
  5. Step 5: Solve for x
    x = 32,652,503,288.33/277,983.17
  6. Step 6: Final answer
    x = 117,462.16

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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.