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Finding the Fourth Proportional to 303,465.80, 425,474.20 and 303,465.80

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Solution

The fourth proportional to 303,465.80, 425,474.20 and 303,465.80 is: 425,474.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,465.80 : 425,474.20 = 303,465.80 : x
  2. Step 2: Convert to fraction form
    303,465.80/425,474.20 = 303,465.80/x
  3. Step 3: Cross multiply
    303,465.80x = 425,474.20 × 303,465.80
  4. Step 4: Simplify right side
    303,465.80x = 129,116,868,482.36
  5. Step 5: Solve for x
    x = 129,116,868,482.36/303,465.80
  6. Step 6: Final answer
    x = 425,474.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.