Home / 421,257.48-581,336.08-230,272.24

Finding the Fourth Proportional to 421,257.48, 581,336.08 and 230,272.24

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Solution

The fourth proportional to 421,257.48, 581,336.08 and 230,272.24 is: 317,776.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,257.48 : 581,336.08 = 230,272.24 : x
  2. Step 2: Convert to fraction form
    421,257.48/581,336.08 = 230,272.24/x
  3. Step 3: Cross multiply
    421,257.48x = 581,336.08 × 230,272.24
  4. Step 4: Simplify right side
    421,257.48x = 133,865,561,334.42
  5. Step 5: Solve for x
    x = 133,865,561,334.42/421,257.48
  6. Step 6: Final answer
    x = 317,776.11

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1.5x scale

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.