Home / 303,977.20-455,989.34-101,574

Finding the Fourth Proportional to 303,977.20, 455,989.34 and 101,574

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Solution

The fourth proportional to 303,977.20, 455,989.34 and 101,574 is: 152,368.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,977.20 : 455,989.34 = 101,574 : x
  2. Step 2: Convert to fraction form
    303,977.20/455,989.34 = 101,574/x
  3. Step 3: Cross multiply
    303,977.20x = 455,989.34 × 101,574
  4. Step 4: Simplify right side
    303,977.20x = 46,316,661,221.16
  5. Step 5: Solve for x
    x = 46,316,661,221.16/303,977.20
  6. Step 6: Final answer
    x = 152,368.87

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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.