Home / 377,291.22-520,663.95-205,210.46

Finding the Fourth Proportional to 377,291.22, 520,663.95 and 205,210.46

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Solution

The fourth proportional to 377,291.22, 520,663.95 and 205,210.46 is: 283,191.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,291.22 : 520,663.95 = 205,210.46 : x
  2. Step 2: Convert to fraction form
    377,291.22/520,663.95 = 205,210.46/x
  3. Step 3: Cross multiply
    377,291.22x = 520,663.95 × 205,210.46
  4. Step 4: Simplify right side
    377,291.22x = 106,845,689,986.58
  5. Step 5: Solve for x
    x = 106,845,689,986.58/377,291.22
  6. Step 6: Final answer
    x = 283,191.56

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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.