Home / 421,082.80-581,095.72-230,096.18

Finding the Fourth Proportional to 421,082.80, 581,095.72 and 230,096.18

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Solution

The fourth proportional to 421,082.80, 581,095.72 and 230,096.18 is: 317,533.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,082.80 : 581,095.72 = 230,096.18 : x
  2. Step 2: Convert to fraction form
    421,082.80/581,095.72 = 230,096.18/x
  3. Step 3: Cross multiply
    421,082.80x = 581,095.72 × 230,096.18
  4. Step 4: Simplify right side
    421,082.80x = 133,707,905,386.35
  5. Step 5: Solve for x
    x = 133,707,905,386.35/421,082.80
  6. Step 6: Final answer
    x = 317,533.52

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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.