Home / 205,368.32-308,063.36-57,635.84

Finding the Fourth Proportional to 205,368.32, 308,063.36 and 57,635.84

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Solution

The fourth proportional to 205,368.32, 308,063.36 and 57,635.84 is: 86,456.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,368.32 : 308,063.36 = 57,635.84 : x
  2. Step 2: Convert to fraction form
    205,368.32/308,063.36 = 57,635.84/x
  3. Step 3: Cross multiply
    205,368.32x = 308,063.36 × 57,635.84
  4. Step 4: Simplify right side
    205,368.32x = 17,755,490,526.82
  5. Step 5: Solve for x
    x = 17,755,490,526.82/205,368.32
  6. Step 6: Final answer
    x = 86,456.81

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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.