Home / 245,075.20-367,828.80-145,110.40

Finding the Fourth Proportional to 245,075.20, 367,828.80 and 145,110.40

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Solution

The fourth proportional to 245,075.20, 367,828.80 and 145,110.40 is: 217,793.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,075.20 : 367,828.80 = 145,110.40 : x
  2. Step 2: Convert to fraction form
    245,075.20/367,828.80 = 145,110.40/x
  3. Step 3: Cross multiply
    245,075.20x = 367,828.80 × 145,110.40
  4. Step 4: Simplify right side
    245,075.20x = 53,375,784,299.52
  5. Step 5: Solve for x
    x = 53,375,784,299.52/245,075.20
  6. Step 6: Final answer
    x = 217,793.49

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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.