Home / 313,970.31-470,975.45-103,610.07

Finding the Fourth Proportional to 313,970.31, 470,975.45 and 103,610.07

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Solution

The fourth proportional to 313,970.31, 470,975.45 and 103,610.07 is: 155,421.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,970.31 : 470,975.45 = 103,610.07 : x
  2. Step 2: Convert to fraction form
    313,970.31/470,975.45 = 103,610.07/x
  3. Step 3: Cross multiply
    313,970.31x = 470,975.45 × 103,610.07
  4. Step 4: Simplify right side
    313,970.31x = 48,797,798,824.73
  5. Step 5: Solve for x
    x = 48,797,798,824.73/313,970.31
  6. Step 6: Final answer
    x = 155,421.70

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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.