Home / 430,477.31-645,694.60-160,584.42

Finding the Fourth Proportional to 430,477.31, 645,694.60 and 160,584.42

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Solution

The fourth proportional to 430,477.31, 645,694.60 and 160,584.42 is: 240,868.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,477.31 : 645,694.60 = 160,584.42 : x
  2. Step 2: Convert to fraction form
    430,477.31/645,694.60 = 160,584.42/x
  3. Step 3: Cross multiply
    430,477.31x = 645,694.60 × 160,584.42
  4. Step 4: Simplify right side
    430,477.31x = 103,688,491,527.09
  5. Step 5: Solve for x
    x = 103,688,491,527.09/430,477.31
  6. Step 6: Final answer
    x = 240,868.66

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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.