Home / 377,203.22-520,530.06-207,437.34

Finding the Fourth Proportional to 377,203.22, 520,530.06 and 207,437.34

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Solution

The fourth proportional to 377,203.22, 520,530.06 and 207,437.34 is: 286,257.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,203.22 : 520,530.06 = 207,437.34 : x
  2. Step 2: Convert to fraction form
    377,203.22/520,530.06 = 207,437.34/x
  3. Step 3: Cross multiply
    377,203.22x = 520,530.06 × 207,437.34
  4. Step 4: Simplify right side
    377,203.22x = 107,977,371,036.44
  5. Step 5: Solve for x
    x = 107,977,371,036.44/377,203.22
  6. Step 6: Final answer
    x = 286,257.82

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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.