Home / 218,835.95-302,080.59-188,087.32

Finding the Fourth Proportional to 218,835.95, 302,080.59 and 188,087.32

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Solution

The fourth proportional to 218,835.95, 302,080.59 and 188,087.32 is: 259,635.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,835.95 : 302,080.59 = 188,087.32 : x
  2. Step 2: Convert to fraction form
    218,835.95/302,080.59 = 188,087.32/x
  3. Step 3: Cross multiply
    218,835.95x = 302,080.59 × 188,087.32
  4. Step 4: Simplify right side
    218,835.95x = 56,817,526,146.28
  5. Step 5: Solve for x
    x = 56,817,526,146.28/218,835.95
  6. Step 6: Final answer
    x = 259,635.25

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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.