Home / 382,529.76-528,002.24-255,205.05

Finding the Fourth Proportional to 382,529.76, 528,002.24 and 255,205.05

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Solution

The fourth proportional to 382,529.76, 528,002.24 and 255,205.05 is: 352,257.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,529.76 : 528,002.24 = 255,205.05 : x
  2. Step 2: Convert to fraction form
    382,529.76/528,002.24 = 255,205.05/x
  3. Step 3: Cross multiply
    382,529.76x = 528,002.24 × 255,205.05
  4. Step 4: Simplify right side
    382,529.76x = 134,748,838,059.31
  5. Step 5: Solve for x
    x = 134,748,838,059.31/382,529.76
  6. Step 6: Final answer
    x = 352,257.14

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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.