Home / 421,695.34-581,929.57-230,710.30

Finding the Fourth Proportional to 421,695.34, 581,929.57 and 230,710.30

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Solution

The fourth proportional to 421,695.34, 581,929.57 and 230,710.30 is: 318,374.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,695.34 : 581,929.57 = 230,710.30 : x
  2. Step 2: Convert to fraction form
    421,695.34/581,929.57 = 230,710.30/x
  3. Step 3: Cross multiply
    421,695.34x = 581,929.57 × 230,710.30
  4. Step 4: Simplify right side
    421,695.34x = 134,257,145,673.57
  5. Step 5: Solve for x
    x = 134,257,145,673.57/421,695.34
  6. Step 6: Final answer
    x = 318,374.74

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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.