Home / 261,426.08-360,845.26-154,030.81

Finding the Fourth Proportional to 261,426.08, 360,845.26 and 154,030.81

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Solution

The fourth proportional to 261,426.08, 360,845.26 and 154,030.81 is: 212,608.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,426.08 : 360,845.26 = 154,030.81 : x
  2. Step 2: Convert to fraction form
    261,426.08/360,845.26 = 154,030.81/x
  3. Step 3: Cross multiply
    261,426.08x = 360,845.26 × 154,030.81
  4. Step 4: Simplify right side
    261,426.08x = 55,581,286,395.27
  5. Step 5: Solve for x
    x = 55,581,286,395.27/261,426.08
  6. Step 6: Final answer
    x = 212,608.04

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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.