Home / 226,065.48-312,013.40-149,586.08

Finding the Fourth Proportional to 226,065.48, 312,013.40 and 149,586.08

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Solution

The fourth proportional to 226,065.48, 312,013.40 and 149,586.08 is: 206,457.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,065.48 : 312,013.40 = 149,586.08 : x
  2. Step 2: Convert to fraction form
    226,065.48/312,013.40 = 149,586.08/x
  3. Step 3: Cross multiply
    226,065.48x = 312,013.40 × 149,586.08
  4. Step 4: Simplify right side
    226,065.48x = 46,672,861,413.47
  5. Step 5: Solve for x
    x = 46,672,861,413.47/226,065.48
  6. Step 6: Final answer
    x = 206,457.27

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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.