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Finding the Fourth Proportional to 362,003.40, 499,437.64 and 209,037.24

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Solution

The fourth proportional to 362,003.40, 499,437.64 and 209,037.24 is: 288,398.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,003.40 : 499,437.64 = 209,037.24 : x
  2. Step 2: Convert to fraction form
    362,003.40/499,437.64 = 209,037.24/x
  3. Step 3: Cross multiply
    362,003.40x = 499,437.64 × 209,037.24
  4. Step 4: Simplify right side
    362,003.40x = 104,401,065,817.71
  5. Step 5: Solve for x
    x = 104,401,065,817.71/362,003.40
  6. Step 6: Final answer
    x = 288,398.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.