Home / 328,956.08-493,036.51-160,223.57

Finding the Fourth Proportional to 328,956.08, 493,036.51 and 160,223.57

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Solution

The fourth proportional to 328,956.08, 493,036.51 and 160,223.57 is: 240,141.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,956.08 : 493,036.51 = 160,223.57 : x
  2. Step 2: Convert to fraction form
    328,956.08/493,036.51 = 160,223.57/x
  3. Step 3: Cross multiply
    328,956.08x = 493,036.51 × 160,223.57
  4. Step 4: Simplify right side
    328,956.08x = 78,996,067,307.36
  5. Step 5: Solve for x
    x = 78,996,067,307.36/328,956.08
  6. Step 6: Final answer
    x = 240,141.68

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1.5x scale

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.