Home / 421,096.36-581,120.58-230,117.80

Finding the Fourth Proportional to 421,096.36, 581,120.58 and 230,117.80

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Solution

The fourth proportional to 421,096.36, 581,120.58 and 230,117.80 is: 317,566.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,096.36 : 581,120.58 = 230,117.80 : x
  2. Step 2: Convert to fraction form
    421,096.36/581,120.58 = 230,117.80/x
  3. Step 3: Cross multiply
    421,096.36x = 581,120.58 × 230,117.80
  4. Step 4: Simplify right side
    421,096.36x = 133,726,189,404.32
  5. Step 5: Solve for x
    x = 133,726,189,404.32/421,096.36
  6. Step 6: Final answer
    x = 317,566.72

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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.