Home / 486,482.03-729,723.05-144,930.65

Finding the Fourth Proportional to 486,482.03, 729,723.05 and 144,930.65

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Solution

The fourth proportional to 486,482.03, 729,723.05 and 144,930.65 is: 217,395.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,482.03 : 729,723.05 = 144,930.65 : x
  2. Step 2: Convert to fraction form
    486,482.03/729,723.05 = 144,930.65/x
  3. Step 3: Cross multiply
    486,482.03x = 729,723.05 × 144,930.65
  4. Step 4: Simplify right side
    486,482.03x = 105,759,238,143.12
  5. Step 5: Solve for x
    x = 105,759,238,143.12/486,482.03
  6. Step 6: Final answer
    x = 217,395.98

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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.