Home / 430,007.43-645,089-177,147.41

Finding the Fourth Proportional to 430,007.43, 645,089 and 177,147.41

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Solution

The fourth proportional to 430,007.43, 645,089 and 177,147.41 is: 265,753.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,007.43 : 645,089 = 177,147.41 : x
  2. Step 2: Convert to fraction form
    430,007.43/645,089 = 177,147.41/x
  3. Step 3: Cross multiply
    430,007.43x = 645,089 × 177,147.41
  4. Step 4: Simplify right side
    430,007.43x = 114,275,845,569.49
  5. Step 5: Solve for x
    x = 114,275,845,569.49/430,007.43
  6. Step 6: Final answer
    x = 265,753.19

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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.