Home / 540,039.41-810,056.18-220,190.03

Finding the Fourth Proportional to 540,039.41, 810,056.18 and 220,190.03

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Solution

The fourth proportional to 540,039.41, 810,056.18 and 220,190.03 is: 330,283.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,039.41 : 810,056.18 = 220,190.03 : x
  2. Step 2: Convert to fraction form
    540,039.41/810,056.18 = 220,190.03/x
  3. Step 3: Cross multiply
    540,039.41x = 810,056.18 × 220,190.03
  4. Step 4: Simplify right side
    540,039.41x = 178,366,294,658.51
  5. Step 5: Solve for x
    x = 178,366,294,658.51/540,039.41
  6. Step 6: Final answer
    x = 330,283.85

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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.