Home / 230,476.10-317,943.96-154,013.98

Finding the Fourth Proportional to 230,476.10, 317,943.96 and 154,013.98

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Solution

The fourth proportional to 230,476.10, 317,943.96 and 154,013.98 is: 212,463.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,476.10 : 317,943.96 = 154,013.98 : x
  2. Step 2: Convert to fraction form
    230,476.10/317,943.96 = 154,013.98/x
  3. Step 3: Cross multiply
    230,476.10x = 317,943.96 × 154,013.98
  4. Step 4: Simplify right side
    230,476.10x = 48,967,814,696.56
  5. Step 5: Solve for x
    x = 48,967,814,696.56/230,476.10
  6. Step 6: Final answer
    x = 212,463.74

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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.