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Finding the Fourth Proportional to 245,572.77, 368,500.37 and 103,406.84

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Solution

The fourth proportional to 245,572.77, 368,500.37 and 103,406.84 is: 155,169.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,572.77 : 368,500.37 = 103,406.84 : x
  2. Step 2: Convert to fraction form
    245,572.77/368,500.37 = 103,406.84/x
  3. Step 3: Cross multiply
    245,572.77x = 368,500.37 × 103,406.84
  4. Step 4: Simplify right side
    245,572.77x = 38,105,456,440.99
  5. Step 5: Solve for x
    x = 38,105,456,440.99/245,572.77
  6. Step 6: Final answer
    x = 155,169.71

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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.