Home / 315,096.40-434,817.21-179,112.52

Finding the Fourth Proportional to 315,096.40, 434,817.21 and 179,112.52

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Solution

The fourth proportional to 315,096.40, 434,817.21 and 179,112.52 is: 247,166.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,096.40 : 434,817.21 = 179,112.52 : x
  2. Step 2: Convert to fraction form
    315,096.40/434,817.21 = 179,112.52/x
  3. Step 3: Cross multiply
    315,096.40x = 434,817.21 × 179,112.52
  4. Step 4: Simplify right side
    315,096.40x = 77,881,206,222.47
  5. Step 5: Solve for x
    x = 77,881,206,222.47/315,096.40
  6. Step 6: Final answer
    x = 247,166.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.