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Finding the Fourth Proportional to 370,072.92, 510,672.12 and 208,943.88

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Solution

The fourth proportional to 370,072.92, 510,672.12 and 208,943.88 is: 288,326.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,072.92 : 510,672.12 = 208,943.88 : x
  2. Step 2: Convert to fraction form
    370,072.92/510,672.12 = 208,943.88/x
  3. Step 3: Cross multiply
    370,072.92x = 510,672.12 × 208,943.88
  4. Step 4: Simplify right side
    370,072.92x = 106,701,814,160.63
  5. Step 5: Solve for x
    x = 106,701,814,160.63/370,072.92
  6. Step 6: Final answer
    x = 288,326.46

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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.