Home / 296,946.63-445,494.21-86,584.57

Finding the Fourth Proportional to 296,946.63, 445,494.21 and 86,584.57

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Solution

The fourth proportional to 296,946.63, 445,494.21 and 86,584.57 is: 129,898.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,946.63 : 445,494.21 = 86,584.57 : x
  2. Step 2: Convert to fraction form
    296,946.63/445,494.21 = 86,584.57/x
  3. Step 3: Cross multiply
    296,946.63x = 445,494.21 × 86,584.57
  4. Step 4: Simplify right side
    296,946.63x = 38,572,924,610.34
  5. Step 5: Solve for x
    x = 38,572,924,610.34/296,946.63
  6. Step 6: Final answer
    x = 129,898.51

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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.