Home / 421,284.98-581,385.94-230,308.58

Finding the Fourth Proportional to 421,284.98, 581,385.94 and 230,308.58

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Solution

The fourth proportional to 421,284.98, 581,385.94 and 230,308.58 is: 317,832.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,284.98 : 581,385.94 = 230,308.58 : x
  2. Step 2: Convert to fraction form
    421,284.98/581,385.94 = 230,308.58/x
  3. Step 3: Cross multiply
    421,284.98x = 581,385.94 × 230,308.58
  4. Step 4: Simplify right side
    421,284.98x = 133,898,170,273.37
  5. Step 5: Solve for x
    x = 133,898,170,273.37/421,284.98
  6. Step 6: Final answer
    x = 317,832.77

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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.