Home / 377,635.11-521,075.48-216,460.50

Finding the Fourth Proportional to 377,635.11, 521,075.48 and 216,460.50

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Solution

The fourth proportional to 377,635.11, 521,075.48 and 216,460.50 is: 298,680.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,635.11 : 521,075.48 = 216,460.50 : x
  2. Step 2: Convert to fraction form
    377,635.11/521,075.48 = 216,460.50/x
  3. Step 3: Cross multiply
    377,635.11x = 521,075.48 × 216,460.50
  4. Step 4: Simplify right side
    377,635.11x = 112,792,257,856.24
  5. Step 5: Solve for x
    x = 112,792,257,856.24/377,635.11
  6. Step 6: Final answer
    x = 298,680.54

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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.