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Finding the Fourth Proportional to 303,307.95, 418,500.09 and 174,262.23

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Solution

The fourth proportional to 303,307.95, 418,500.09 and 174,262.23 is: 240,444.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,307.95 : 418,500.09 = 174,262.23 : x
  2. Step 2: Convert to fraction form
    303,307.95/418,500.09 = 174,262.23/x
  3. Step 3: Cross multiply
    303,307.95x = 418,500.09 × 174,262.23
  4. Step 4: Simplify right side
    303,307.95x = 72,928,758,938.60
  5. Step 5: Solve for x
    x = 72,928,758,938.60/303,307.95
  6. Step 6: Final answer
    x = 240,444.60

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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.