Home / 313,330.95-470,061.56-142,471.24

Finding the Fourth Proportional to 313,330.95, 470,061.56 and 142,471.24

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Solution

The fourth proportional to 313,330.95, 470,061.56 and 142,471.24 is: 213,736.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,330.95 : 470,061.56 = 142,471.24 : x
  2. Step 2: Convert to fraction form
    313,330.95/470,061.56 = 142,471.24/x
  3. Step 3: Cross multiply
    313,330.95x = 470,061.56 × 142,471.24
  4. Step 4: Simplify right side
    313,330.95x = 66,970,252,510.56
  5. Step 5: Solve for x
    x = 66,970,252,510.56/313,330.95
  6. Step 6: Final answer
    x = 213,736.47

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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.