Home / 216,343.30-298,549.38-131,487.70

Finding the Fourth Proportional to 216,343.30, 298,549.38 and 131,487.70

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Solution

The fourth proportional to 216,343.30, 298,549.38 and 131,487.70 is: 181,450.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,343.30 : 298,549.38 = 131,487.70 : x
  2. Step 2: Convert to fraction form
    216,343.30/298,549.38 = 131,487.70/x
  3. Step 3: Cross multiply
    216,343.30x = 298,549.38 × 131,487.70
  4. Step 4: Simplify right side
    216,343.30x = 39,255,571,312.63
  5. Step 5: Solve for x
    x = 39,255,571,312.63/216,343.30
  6. Step 6: Final answer
    x = 181,450.37

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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.