Home / 324,050.10-486,075.15-318,801.30

Finding the Fourth Proportional to 324,050.10, 486,075.15 and 318,801.30

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Solution

The fourth proportional to 324,050.10, 486,075.15 and 318,801.30 is: 478,201.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,050.10 : 486,075.15 = 318,801.30 : x
  2. Step 2: Convert to fraction form
    324,050.10/486,075.15 = 318,801.30/x
  3. Step 3: Cross multiply
    324,050.10x = 486,075.15 × 318,801.30
  4. Step 4: Simplify right side
    324,050.10x = 154,961,389,717.70
  5. Step 5: Solve for x
    x = 154,961,389,717.70/324,050.10
  6. Step 6: Final answer
    x = 478,201.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.