Home / 313,973.96-470,977.30-103,628.30

Finding the Fourth Proportional to 313,973.96, 470,977.30 and 103,628.30

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Solution

The fourth proportional to 313,973.96, 470,977.30 and 103,628.30 is: 155,447.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,973.96 : 470,977.30 = 103,628.30 : x
  2. Step 2: Convert to fraction form
    313,973.96/470,977.30 = 103,628.30/x
  3. Step 3: Cross multiply
    313,973.96x = 470,977.30 × 103,628.30
  4. Step 4: Simplify right side
    313,973.96x = 48,806,576,937.59
  5. Step 5: Solve for x
    x = 48,806,576,937.59/313,973.96
  6. Step 6: Final answer
    x = 155,447.85

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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.