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Finding the Fourth Proportional to 370,065.06, 510,723.42 and 208,959.66

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Solution

The fourth proportional to 370,065.06, 510,723.42 and 208,959.66 is: 288,383.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,065.06 : 510,723.42 = 208,959.66 : x
  2. Step 2: Convert to fraction form
    370,065.06/510,723.42 = 208,959.66/x
  3. Step 3: Cross multiply
    370,065.06x = 510,723.42 × 208,959.66
  4. Step 4: Simplify right side
    370,065.06x = 106,720,592,197.24
  5. Step 5: Solve for x
    x = 106,720,592,197.24/370,065.06
  6. Step 6: Final answer
    x = 288,383.32

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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.