Home / 218,837.55-302,096.66-154,359.32

Finding the Fourth Proportional to 218,837.55, 302,096.66 and 154,359.32

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Solution

The fourth proportional to 218,837.55, 302,096.66 and 154,359.32 is: 213,087.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,837.55 : 302,096.66 = 154,359.32 : x
  2. Step 2: Convert to fraction form
    218,837.55/302,096.66 = 154,359.32/x
  3. Step 3: Cross multiply
    218,837.55x = 302,096.66 × 154,359.32
  4. Step 4: Simplify right side
    218,837.55x = 46,631,435,731.29
  5. Step 5: Solve for x
    x = 46,631,435,731.29/218,837.55
  6. Step 6: Final answer
    x = 213,087.00

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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.