Home / 421,146.69-581,181.16-230,160.10

Finding the Fourth Proportional to 421,146.69, 581,181.16 and 230,160.10

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Solution

The fourth proportional to 421,146.69, 581,181.16 and 230,160.10 is: 317,620.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,146.69 : 581,181.16 = 230,160.10 : x
  2. Step 2: Convert to fraction form
    421,146.69/581,181.16 = 230,160.10/x
  3. Step 3: Cross multiply
    421,146.69x = 581,181.16 × 230,160.10
  4. Step 4: Simplify right side
    421,146.69x = 133,764,712,752.92
  5. Step 5: Solve for x
    x = 133,764,712,752.92/421,146.69
  6. Step 6: Final answer
    x = 317,620.24

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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.