Home / 386,675.03-579,935.36-130,482.56

Finding the Fourth Proportional to 386,675.03, 579,935.36 and 130,482.56

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Solution

The fourth proportional to 386,675.03, 579,935.36 and 130,482.56 is: 195,697.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,675.03 : 579,935.36 = 130,482.56 : x
  2. Step 2: Convert to fraction form
    386,675.03/579,935.36 = 130,482.56/x
  3. Step 3: Cross multiply
    386,675.03x = 579,935.36 × 130,482.56
  4. Step 4: Simplify right side
    386,675.03x = 75,671,452,183.37
  5. Step 5: Solve for x
    x = 75,671,452,183.37/386,675.03
  6. Step 6: Final answer
    x = 195,697.80

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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.