Home / 245,442.15-338,704.34-160,557.39

Finding the Fourth Proportional to 245,442.15, 338,704.34 and 160,557.39

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Solution

The fourth proportional to 245,442.15, 338,704.34 and 160,557.39 is: 221,565.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,442.15 : 338,704.34 = 160,557.39 : x
  2. Step 2: Convert to fraction form
    245,442.15/338,704.34 = 160,557.39/x
  3. Step 3: Cross multiply
    245,442.15x = 338,704.34 × 160,557.39
  4. Step 4: Simplify right side
    245,442.15x = 54,381,484,009.29
  5. Step 5: Solve for x
    x = 54,381,484,009.29/245,442.15
  6. Step 6: Final answer
    x = 221,565.38

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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.