Home / 421,246.42-581,320.02-230,260.58

Finding the Fourth Proportional to 421,246.42, 581,320.02 and 230,260.58

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Solution

The fourth proportional to 421,246.42, 581,320.02 and 230,260.58 is: 317,759.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,246.42 : 581,320.02 = 230,260.58 : x
  2. Step 2: Convert to fraction form
    421,246.42/581,320.02 = 230,260.58/x
  3. Step 3: Cross multiply
    421,246.42x = 581,320.02 × 230,260.58
  4. Step 4: Simplify right side
    421,246.42x = 133,855,084,970.81
  5. Step 5: Solve for x
    x = 133,855,084,970.81/421,246.42
  6. Step 6: Final answer
    x = 317,759.58

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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.