Home / 287,344.14-430,569.18-109,754.22

Finding the Fourth Proportional to 287,344.14, 430,569.18 and 109,754.22

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Solution

The fourth proportional to 287,344.14, 430,569.18 and 109,754.22 is: 164,460.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,344.14 : 430,569.18 = 109,754.22 : x
  2. Step 2: Convert to fraction form
    287,344.14/430,569.18 = 109,754.22/x
  3. Step 3: Cross multiply
    287,344.14x = 430,569.18 × 109,754.22
  4. Step 4: Simplify right side
    287,344.14x = 47,256,784,506.94
  5. Step 5: Solve for x
    x = 47,256,784,506.94/287,344.14
  6. Step 6: Final answer
    x = 164,460.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.