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Finding the Fourth Proportional to 540,499.24, 810,768.12 and 185,510.80

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Solution

The fourth proportional to 540,499.24, 810,768.12 and 185,510.80 is: 278,272.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,499.24 : 810,768.12 = 185,510.80 : x
  2. Step 2: Convert to fraction form
    540,499.24/810,768.12 = 185,510.80/x
  3. Step 3: Cross multiply
    540,499.24x = 810,768.12 × 185,510.80
  4. Step 4: Simplify right side
    540,499.24x = 150,406,242,555.70
  5. Step 5: Solve for x
    x = 150,406,242,555.70/540,499.24
  6. Step 6: Final answer
    x = 278,272.81

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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.