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Finding the Fourth Proportional to 253,101.28, 349,268.70 and 145,674.76

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Solution

The fourth proportional to 253,101.28, 349,268.70 and 145,674.76 is: 201,024.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,101.28 : 349,268.70 = 145,674.76 : x
  2. Step 2: Convert to fraction form
    253,101.28/349,268.70 = 145,674.76/x
  3. Step 3: Cross multiply
    253,101.28x = 349,268.70 × 145,674.76
  4. Step 4: Simplify right side
    253,101.28x = 50,879,634,048.01
  5. Step 5: Solve for x
    x = 50,879,634,048.01/253,101.28
  6. Step 6: Final answer
    x = 201,024.80

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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.