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Finding the Fourth Proportional to 303,075.76, 454,613.64 and 302,638.36

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Solution

The fourth proportional to 303,075.76, 454,613.64 and 302,638.36 is: 453,957.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,075.76 : 454,613.64 = 302,638.36 : x
  2. Step 2: Convert to fraction form
    303,075.76/454,613.64 = 302,638.36/x
  3. Step 3: Cross multiply
    303,075.76x = 454,613.64 × 302,638.36
  4. Step 4: Simplify right side
    303,075.76x = 137,583,526,443.23
  5. Step 5: Solve for x
    x = 137,583,526,443.23/303,075.76
  6. Step 6: Final answer
    x = 453,957.54

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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.