Home / 437,148-655,284.24-170,541.72

Finding the Fourth Proportional to 437,148, 655,284.24 and 170,541.72

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Solution

The fourth proportional to 437,148, 655,284.24 and 170,541.72 is: 255,641.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,148 : 655,284.24 = 170,541.72 : x
  2. Step 2: Convert to fraction form
    437,148/655,284.24 = 170,541.72/x
  3. Step 3: Cross multiply
    437,148x = 655,284.24 × 170,541.72
  4. Step 4: Simplify right side
    437,148x = 111,753,301,378.49
  5. Step 5: Solve for x
    x = 111,753,301,378.49/437,148
  6. Step 6: Final answer
    x = 255,641.80

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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.