Home / 384,823.90-530,997.50-215,025.22

Finding the Fourth Proportional to 384,823.90, 530,997.50 and 215,025.22

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Solution

The fourth proportional to 384,823.90, 530,997.50 and 215,025.22 is: 296,701.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,823.90 : 530,997.50 = 215,025.22 : x
  2. Step 2: Convert to fraction form
    384,823.90/530,997.50 = 215,025.22/x
  3. Step 3: Cross multiply
    384,823.90x = 530,997.50 × 215,025.22
  4. Step 4: Simplify right side
    384,823.90x = 114,177,854,256.95
  5. Step 5: Solve for x
    x = 114,177,854,256.95/384,823.90
  6. Step 6: Final answer
    x = 296,701.57

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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.