Home / 311,525.24-429,904.83-168,285.29

Finding the Fourth Proportional to 311,525.24, 429,904.83 and 168,285.29

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Solution

The fourth proportional to 311,525.24, 429,904.83 and 168,285.29 is: 232,233.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,525.24 : 429,904.83 = 168,285.29 : x
  2. Step 2: Convert to fraction form
    311,525.24/429,904.83 = 168,285.29/x
  3. Step 3: Cross multiply
    311,525.24x = 429,904.83 × 168,285.29
  4. Step 4: Simplify right side
    311,525.24x = 72,346,658,147.52
  5. Step 5: Solve for x
    x = 72,346,658,147.52/311,525.24
  6. Step 6: Final answer
    x = 232,233.70

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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.