Home / 370,237.06-510,927.51-200,470.78

Finding the Fourth Proportional to 370,237.06, 510,927.51 and 200,470.78

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Solution

The fourth proportional to 370,237.06, 510,927.51 and 200,470.78 is: 276,649.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,237.06 : 510,927.51 = 200,470.78 : x
  2. Step 2: Convert to fraction form
    370,237.06/510,927.51 = 200,470.78/x
  3. Step 3: Cross multiply
    370,237.06x = 510,927.51 × 200,470.78
  4. Step 4: Simplify right side
    370,237.06x = 102,426,036,453.16
  5. Step 5: Solve for x
    x = 102,426,036,453.16/370,237.06
  6. Step 6: Final answer
    x = 276,649.88

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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.