Home / 421,625.32-581,835.36-230,637.04

Finding the Fourth Proportional to 421,625.32, 581,835.36 and 230,637.04

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Solution

The fourth proportional to 421,625.32, 581,835.36 and 230,637.04 is: 318,274.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,625.32 : 581,835.36 = 230,637.04 : x
  2. Step 2: Convert to fraction form
    421,625.32/581,835.36 = 230,637.04/x
  3. Step 3: Cross multiply
    421,625.32x = 581,835.36 × 230,637.04
  4. Step 4: Simplify right side
    421,625.32x = 134,192,785,197.73
  5. Step 5: Solve for x
    x = 134,192,785,197.73/421,625.32
  6. Step 6: Final answer
    x = 318,274.97

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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.