Home / 309,429.26-427,012.38-175,293.26

Finding the Fourth Proportional to 309,429.26, 427,012.38 and 175,293.26

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Solution

The fourth proportional to 309,429.26, 427,012.38 and 175,293.26 is: 241,904.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,429.26 : 427,012.38 = 175,293.26 : x
  2. Step 2: Convert to fraction form
    309,429.26/427,012.38 = 175,293.26/x
  3. Step 3: Cross multiply
    309,429.26x = 427,012.38 × 175,293.26
  4. Step 4: Simplify right side
    309,429.26x = 74,852,392,150.56
  5. Step 5: Solve for x
    x = 74,852,392,150.56/309,429.26
  6. Step 6: Final answer
    x = 241,904.70

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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.