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Finding the Fourth Proportional to 375,235.22, 517,824.71 and 203,153.15

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Solution

The fourth proportional to 375,235.22, 517,824.71 and 203,153.15 is: 280,351.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,235.22 : 517,824.71 = 203,153.15 : x
  2. Step 2: Convert to fraction form
    375,235.22/517,824.71 = 203,153.15/x
  3. Step 3: Cross multiply
    375,235.22x = 517,824.71 × 203,153.15
  4. Step 4: Simplify right side
    375,235.22x = 105,197,720,984.34
  5. Step 5: Solve for x
    x = 105,197,720,984.34/375,235.22
  6. Step 6: Final answer
    x = 280,351.40

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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.