Home / 230,097.11-317,631.98-154,689.35

Finding the Fourth Proportional to 230,097.11, 317,631.98 and 154,689.35

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Solution

The fourth proportional to 230,097.11, 317,631.98 and 154,689.35 is: 213,537.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,097.11 : 317,631.98 = 154,689.35 : x
  2. Step 2: Convert to fraction form
    230,097.11/317,631.98 = 154,689.35/x
  3. Step 3: Cross multiply
    230,097.11x = 317,631.98 × 154,689.35
  4. Step 4: Simplify right side
    230,097.11x = 49,134,283,323.98
  5. Step 5: Solve for x
    x = 49,134,283,323.98/230,097.11
  6. Step 6: Final answer
    x = 213,537.16

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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.