Home / 215,779.40-323,668.56-58,007.84

Finding the Fourth Proportional to 215,779.40, 323,668.56 and 58,007.84

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Solution

The fourth proportional to 215,779.40, 323,668.56 and 58,007.84 is: 87,011.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,779.40 : 323,668.56 = 58,007.84 : x
  2. Step 2: Convert to fraction form
    215,779.40/323,668.56 = 58,007.84/x
  3. Step 3: Cross multiply
    215,779.40x = 323,668.56 × 58,007.84
  4. Step 4: Simplify right side
    215,779.40x = 18,775,314,041.51
  5. Step 5: Solve for x
    x = 18,775,314,041.51/215,779.40
  6. Step 6: Final answer
    x = 87,011.61

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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.