Home / 350,285.04-525,378.24-113,629.76

Finding the Fourth Proportional to 350,285.04, 525,378.24 and 113,629.76

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Solution

The fourth proportional to 350,285.04, 525,378.24 and 113,629.76 is: 170,428.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,285.04 : 525,378.24 = 113,629.76 : x
  2. Step 2: Convert to fraction form
    350,285.04/525,378.24 = 113,629.76/x
  3. Step 3: Cross multiply
    350,285.04x = 525,378.24 × 113,629.76
  4. Step 4: Simplify right side
    350,285.04x = 59,698,603,320.42
  5. Step 5: Solve for x
    x = 59,698,603,320.42/350,285.04
  6. Step 6: Final answer
    x = 170,428.64

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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.