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Finding the Fourth Proportional to 303,550.25, 418,509.93 and 248,901.08

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Solution

The fourth proportional to 303,550.25, 418,509.93 and 248,901.08 is: 343,164.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,550.25 : 418,509.93 = 248,901.08 : x
  2. Step 2: Convert to fraction form
    303,550.25/418,509.93 = 248,901.08/x
  3. Step 3: Cross multiply
    303,550.25x = 418,509.93 × 248,901.08
  4. Step 4: Simplify right side
    303,550.25x = 104,167,573,567.72
  5. Step 5: Solve for x
    x = 104,167,573,567.72/303,550.25
  6. Step 6: Final answer
    x = 343,164.18

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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.