Home / 245,288.19-338,509.76-149,779.47

Finding the Fourth Proportional to 245,288.19, 338,509.76 and 149,779.47

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Solution

The fourth proportional to 245,288.19, 338,509.76 and 149,779.47 is: 206,703.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,288.19 : 338,509.76 = 149,779.47 : x
  2. Step 2: Convert to fraction form
    245,288.19/338,509.76 = 149,779.47/x
  3. Step 3: Cross multiply
    245,288.19x = 338,509.76 × 149,779.47
  4. Step 4: Simplify right side
    245,288.19x = 50,701,811,693.73
  5. Step 5: Solve for x
    x = 50,701,811,693.73/245,288.19
  6. Step 6: Final answer
    x = 206,703.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.