Home / 430,675.30-645,537.25-177,816.39

Finding the Fourth Proportional to 430,675.30, 645,537.25 and 177,816.39

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Solution

The fourth proportional to 430,675.30, 645,537.25 and 177,816.39 is: 266,528.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,675.30 : 645,537.25 = 177,816.39 : x
  2. Step 2: Convert to fraction form
    430,675.30/645,537.25 = 177,816.39/x
  3. Step 3: Cross multiply
    430,675.30x = 645,537.25 × 177,816.39
  4. Step 4: Simplify right side
    430,675.30x = 114,787,103,405.53
  5. Step 5: Solve for x
    x = 114,787,103,405.53/430,675.30
  6. Step 6: Final answer
    x = 266,528.18

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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.