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Finding the Fourth Proportional to 539,383.82, 808,837.41 and 202,187.95

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Solution

The fourth proportional to 539,383.82, 808,837.41 and 202,187.95 is: 303,192.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,383.82 : 808,837.41 = 202,187.95 : x
  2. Step 2: Convert to fraction form
    539,383.82/808,837.41 = 202,187.95/x
  3. Step 3: Cross multiply
    539,383.82x = 808,837.41 × 202,187.95
  4. Step 4: Simplify right side
    539,383.82x = 163,537,176,547.32
  5. Step 5: Solve for x
    x = 163,537,176,547.32/539,383.82
  6. Step 6: Final answer
    x = 303,192.59

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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.