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Finding the Fourth Proportional to 538,283.63, 807,398.60 and 201,299.50

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Solution

The fourth proportional to 538,283.63, 807,398.60 and 201,299.50 is: 301,939.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,283.63 : 807,398.60 = 201,299.50 : x
  2. Step 2: Convert to fraction form
    538,283.63/807,398.60 = 201,299.50/x
  3. Step 3: Cross multiply
    538,283.63x = 807,398.60 × 201,299.50
  4. Step 4: Simplify right side
    538,283.63x = 162,528,932,965.45
  5. Step 5: Solve for x
    x = 162,528,932,965.45/538,283.63
  6. Step 6: Final answer
    x = 301,939.21

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1.5x scale

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.