Home / 248,211.85-372,336.50-77,412.01

Finding the Fourth Proportional to 248,211.85, 372,336.50 and 77,412.01

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Solution

The fourth proportional to 248,211.85, 372,336.50 and 77,412.01 is: 116,123.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,211.85 : 372,336.50 = 77,412.01 : x
  2. Step 2: Convert to fraction form
    248,211.85/372,336.50 = 77,412.01/x
  3. Step 3: Cross multiply
    248,211.85x = 372,336.50 × 77,412.01
  4. Step 4: Simplify right side
    248,211.85x = 28,823,316,474.31
  5. Step 5: Solve for x
    x = 28,823,316,474.31/248,211.85
  6. Step 6: Final answer
    x = 116,123.85

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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.