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Finding the Fourth Proportional to 500,510.16, 750,800.26 and 200,990.74

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Solution

The fourth proportional to 500,510.16, 750,800.26 and 200,990.74 is: 301,500.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,510.16 : 750,800.26 = 200,990.74 : x
  2. Step 2: Convert to fraction form
    500,510.16/750,800.26 = 200,990.74/x
  3. Step 3: Cross multiply
    500,510.16x = 750,800.26 × 200,990.74
  4. Step 4: Simplify right side
    500,510.16x = 150,903,899,849.59
  5. Step 5: Solve for x
    x = 150,903,899,849.59/500,510.16
  6. Step 6: Final answer
    x = 301,500.17

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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.