Home / 430,584.64-645,880.56-150,101.44

Finding the Fourth Proportional to 430,584.64, 645,880.56 and 150,101.44

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Solution

The fourth proportional to 430,584.64, 645,880.56 and 150,101.44 is: 225,153.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,584.64 : 645,880.56 = 150,101.44 : x
  2. Step 2: Convert to fraction form
    430,584.64/645,880.56 = 150,101.44/x
  3. Step 3: Cross multiply
    430,584.64x = 645,880.56 × 150,101.44
  4. Step 4: Simplify right side
    430,584.64x = 96,947,602,124.01
  5. Step 5: Solve for x
    x = 96,947,602,124.01/430,584.64
  6. Step 6: Final answer
    x = 225,153.41

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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.