Home / 310,072.02-465,015.58-120,561.78

Finding the Fourth Proportional to 310,072.02, 465,015.58 and 120,561.78

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Solution

The fourth proportional to 310,072.02, 465,015.58 and 120,561.78 is: 180,806.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,072.02 : 465,015.58 = 120,561.78 : x
  2. Step 2: Convert to fraction form
    310,072.02/465,015.58 = 120,561.78/x
  3. Step 3: Cross multiply
    310,072.02x = 465,015.58 × 120,561.78
  4. Step 4: Simplify right side
    310,072.02x = 56,063,106,052.53
  5. Step 5: Solve for x
    x = 56,063,106,052.53/310,072.02
  6. Step 6: Final answer
    x = 180,806.72

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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.