Home / 313,973.96-470,977.26-103,628.36

Finding the Fourth Proportional to 313,973.96, 470,977.26 and 103,628.36

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Solution

The fourth proportional to 313,973.96, 470,977.26 and 103,628.36 is: 155,447.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,973.96 : 470,977.26 = 103,628.36 : x
  2. Step 2: Convert to fraction form
    313,973.96/470,977.26 = 103,628.36/x
  3. Step 3: Cross multiply
    313,973.96x = 470,977.26 × 103,628.36
  4. Step 4: Simplify right side
    313,973.96x = 48,806,601,051.09
  5. Step 5: Solve for x
    x = 48,806,601,051.09/313,973.96
  6. Step 6: Final answer
    x = 155,447.93

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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.