Home / 218,827.37-302,082.59-154,349.15

Finding the Fourth Proportional to 218,827.37, 302,082.59 and 154,349.15

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Solution

The fourth proportional to 218,827.37, 302,082.59 and 154,349.15 is: 213,072.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,827.37 : 302,082.59 = 154,349.15 : x
  2. Step 2: Convert to fraction form
    218,827.37/302,082.59 = 154,349.15/x
  3. Step 3: Cross multiply
    218,827.37x = 302,082.59 × 154,349.15
  4. Step 4: Simplify right side
    218,827.37x = 46,626,189,871.76
  5. Step 5: Solve for x
    x = 46,626,189,871.76/218,827.37
  6. Step 6: Final answer
    x = 213,072.93

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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.