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Finding the Fourth Proportional to 303,952.86, 453,853.76 and 272,157.66

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Solution

The fourth proportional to 303,952.86, 453,853.76 and 272,157.66 is: 406,378.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,952.86 : 453,853.76 = 272,157.66 : x
  2. Step 2: Convert to fraction form
    303,952.86/453,853.76 = 272,157.66/x
  3. Step 3: Cross multiply
    303,952.86x = 453,853.76 × 272,157.66
  4. Step 4: Simplify right side
    303,952.86x = 123,519,775,943.01
  5. Step 5: Solve for x
    x = 123,519,775,943.01/303,952.86
  6. Step 6: Final answer
    x = 406,378.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.