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Finding the Fourth Proportional to 540,501.72, 810,769.04 and 185,510.56

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Solution

The fourth proportional to 540,501.72, 810,769.04 and 185,510.56 is: 278,271.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,501.72 : 810,769.04 = 185,510.56 : x
  2. Step 2: Convert to fraction form
    540,501.72/810,769.04 = 185,510.56/x
  3. Step 3: Cross multiply
    540,501.72x = 810,769.04 × 185,510.56
  4. Step 4: Simplify right side
    540,501.72x = 150,406,218,641.06
  5. Step 5: Solve for x
    x = 150,406,218,641.06/540,501.72
  6. Step 6: Final answer
    x = 278,271.49

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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.