Home / 421,323.13-581,427.97-230,336.52

Finding the Fourth Proportional to 421,323.13, 581,427.97 and 230,336.52

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Solution

The fourth proportional to 421,323.13, 581,427.97 and 230,336.52 is: 317,865.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,323.13 : 581,427.97 = 230,336.52 : x
  2. Step 2: Convert to fraction form
    421,323.13/581,427.97 = 230,336.52/x
  3. Step 3: Cross multiply
    421,323.13x = 581,427.97 × 230,336.52
  4. Step 4: Simplify right side
    421,323.13x = 133,924,095,240.46
  5. Step 5: Solve for x
    x = 133,924,095,240.46/421,323.13
  6. Step 6: Final answer
    x = 317,865.52

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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.