Home / 376,075.65-518,981.32-203,993.18

Finding the Fourth Proportional to 376,075.65, 518,981.32 and 203,993.18

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Solution

The fourth proportional to 376,075.65, 518,981.32 and 203,993.18 is: 281,508.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,075.65 : 518,981.32 = 203,993.18 : x
  2. Step 2: Convert to fraction form
    376,075.65/518,981.32 = 203,993.18/x
  3. Step 3: Cross multiply
    376,075.65x = 518,981.32 × 203,993.18
  4. Step 4: Simplify right side
    376,075.65x = 105,868,651,953.57
  5. Step 5: Solve for x
    x = 105,868,651,953.57/376,075.65
  6. Step 6: Final answer
    x = 281,508.93

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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.