Home / 492,528.41-738,834.53-155,478.90

Finding the Fourth Proportional to 492,528.41, 738,834.53 and 155,478.90

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Solution

The fourth proportional to 492,528.41, 738,834.53 and 155,478.90 is: 233,231.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,528.41 : 738,834.53 = 155,478.90 : x
  2. Step 2: Convert to fraction form
    492,528.41/738,834.53 = 155,478.90/x
  3. Step 3: Cross multiply
    492,528.41x = 738,834.53 × 155,478.90
  4. Step 4: Simplify right side
    492,528.41x = 114,873,179,229.02
  5. Step 5: Solve for x
    x = 114,873,179,229.02/492,528.41
  6. Step 6: Final answer
    x = 233,231.58

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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.