Home / 293,077.14-438,926.80-142,846.64

Finding the Fourth Proportional to 293,077.14, 438,926.80 and 142,846.64

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Solution

The fourth proportional to 293,077.14, 438,926.80 and 142,846.64 is: 213,934.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,077.14 : 438,926.80 = 142,846.64 : x
  2. Step 2: Convert to fraction form
    293,077.14/438,926.80 = 142,846.64/x
  3. Step 3: Cross multiply
    293,077.14x = 438,926.80 × 142,846.64
  4. Step 4: Simplify right side
    293,077.14x = 62,699,217,948.01
  5. Step 5: Solve for x
    x = 62,699,217,948.01/293,077.14
  6. Step 6: Final answer
    x = 213,934.18

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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.