Home / 287,448.67-430,846.03-174,880.75

Finding the Fourth Proportional to 287,448.67, 430,846.03 and 174,880.75

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Solution

The fourth proportional to 287,448.67, 430,846.03 and 174,880.75 is: 262,122.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,448.67 : 430,846.03 = 174,880.75 : x
  2. Step 2: Convert to fraction form
    287,448.67/430,846.03 = 174,880.75/x
  3. Step 3: Cross multiply
    287,448.67x = 430,846.03 × 174,880.75
  4. Step 4: Simplify right side
    287,448.67x = 75,346,675,986.52
  5. Step 5: Solve for x
    x = 75,346,675,986.52/287,448.67
  6. Step 6: Final answer
    x = 262,122.20

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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.