Home / 421,282.98-581,383.17-230,306.58

Finding the Fourth Proportional to 421,282.98, 581,383.17 and 230,306.58

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Solution

The fourth proportional to 421,282.98, 581,383.17 and 230,306.58 is: 317,830.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,282.98 : 581,383.17 = 230,306.58 : x
  2. Step 2: Convert to fraction form
    421,282.98/581,383.17 = 230,306.58/x
  3. Step 3: Cross multiply
    421,282.98x = 581,383.17 × 230,306.58
  4. Step 4: Simplify right side
    421,282.98x = 133,896,369,552.26
  5. Step 5: Solve for x
    x = 133,896,369,552.26/421,282.98
  6. Step 6: Final answer
    x = 317,830.00

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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.