Home / 216,430.75-298,707.24-131,531.41

Finding the Fourth Proportional to 216,430.75, 298,707.24 and 131,531.41

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Solution

The fourth proportional to 216,430.75, 298,707.24 and 131,531.41 is: 181,533.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,430.75 : 298,707.24 = 131,531.41 : x
  2. Step 2: Convert to fraction form
    216,430.75/298,707.24 = 131,531.41/x
  3. Step 3: Cross multiply
    216,430.75x = 298,707.24 × 131,531.41
  4. Step 4: Simplify right side
    216,430.75x = 39,289,384,454.41
  5. Step 5: Solve for x
    x = 39,289,384,454.41/216,430.75
  6. Step 6: Final answer
    x = 181,533.28

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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.