Home / 216,256.45-324,393.65-74,199.40

Finding the Fourth Proportional to 216,256.45, 324,393.65 and 74,199.40

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Solution

The fourth proportional to 216,256.45, 324,393.65 and 74,199.40 is: 111,302.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,256.45 : 324,393.65 = 74,199.40 : x
  2. Step 2: Convert to fraction form
    216,256.45/324,393.65 = 74,199.40/x
  3. Step 3: Cross multiply
    216,256.45x = 324,393.65 × 74,199.40
  4. Step 4: Simplify right side
    216,256.45x = 24,069,814,279.18
  5. Step 5: Solve for x
    x = 24,069,814,279.18/216,256.45
  6. Step 6: Final answer
    x = 111,302.18

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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.