Home / 360,748.05-540,043.27-218,161.80

Finding the Fourth Proportional to 360,748.05, 540,043.27 and 218,161.80

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Solution

The fourth proportional to 360,748.05, 540,043.27 and 218,161.80 is: 326,590.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,748.05 : 540,043.27 = 218,161.80 : x
  2. Step 2: Convert to fraction form
    360,748.05/540,043.27 = 218,161.80/x
  3. Step 3: Cross multiply
    360,748.05x = 540,043.27 × 218,161.80
  4. Step 4: Simplify right side
    360,748.05x = 117,816,812,075.12
  5. Step 5: Solve for x
    x = 117,816,812,075.12/360,748.05
  6. Step 6: Final answer
    x = 326,590.29

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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.