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Finding the Fourth Proportional to 282,501, 389,886.03 and 163,269

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Solution

The fourth proportional to 282,501, 389,886.03 and 163,269 is: 225,331.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,501 : 389,886.03 = 163,269 : x
  2. Step 2: Convert to fraction form
    282,501/389,886.03 = 163,269/x
  3. Step 3: Cross multiply
    282,501x = 389,886.03 × 163,269
  4. Step 4: Simplify right side
    282,501x = 63,656,302,232.07
  5. Step 5: Solve for x
    x = 63,656,302,232.07/282,501
  6. Step 6: Final answer
    x = 225,331.25

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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.