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Finding the Fourth Proportional to 400,533, 552,736.08 and 249,630

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Solution

The fourth proportional to 400,533, 552,736.08 and 249,630 is: 344,489.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,533 : 552,736.08 = 249,630 : x
  2. Step 2: Convert to fraction form
    400,533/552,736.08 = 249,630/x
  3. Step 3: Cross multiply
    400,533x = 552,736.08 × 249,630
  4. Step 4: Simplify right side
    400,533x = 137,979,507,650.40
  5. Step 5: Solve for x
    x = 137,979,507,650.40/400,533
  6. Step 6: Final answer
    x = 344,489.74

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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.