Home / 377,470.02-520,919.19-205,398.48

Finding the Fourth Proportional to 377,470.02, 520,919.19 and 205,398.48

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Solution

The fourth proportional to 377,470.02, 520,919.19 and 205,398.48 is: 283,455.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,470.02 : 520,919.19 = 205,398.48 : x
  2. Step 2: Convert to fraction form
    377,470.02/520,919.19 = 205,398.48/x
  3. Step 3: Cross multiply
    377,470.02x = 520,919.19 × 205,398.48
  4. Step 4: Simplify right side
    377,470.02x = 106,996,009,828.83
  5. Step 5: Solve for x
    x = 106,996,009,828.83/377,470.02
  6. Step 6: Final answer
    x = 283,455.65

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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.