Home / 247,829.78-342,000.88-134,651.72

Finding the Fourth Proportional to 247,829.78, 342,000.88 and 134,651.72

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Solution

The fourth proportional to 247,829.78, 342,000.88 and 134,651.72 is: 185,817.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,829.78 : 342,000.88 = 134,651.72 : x
  2. Step 2: Convert to fraction form
    247,829.78/342,000.88 = 134,651.72/x
  3. Step 3: Cross multiply
    247,829.78x = 342,000.88 × 134,651.72
  4. Step 4: Simplify right side
    247,829.78x = 46,051,006,733.51
  5. Step 5: Solve for x
    x = 46,051,006,733.51/247,829.78
  6. Step 6: Final answer
    x = 185,817.08

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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.