Home / 309,320.51-426,889.32-180,252.23

Finding the Fourth Proportional to 309,320.51, 426,889.32 and 180,252.23

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Solution

The fourth proportional to 309,320.51, 426,889.32 and 180,252.23 is: 248,763.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,320.51 : 426,889.32 = 180,252.23 : x
  2. Step 2: Convert to fraction form
    309,320.51/426,889.32 = 180,252.23/x
  3. Step 3: Cross multiply
    309,320.51x = 426,889.32 × 180,252.23
  4. Step 4: Simplify right side
    309,320.51x = 76,947,751,893.18
  5. Step 5: Solve for x
    x = 76,947,751,893.18/309,320.51
  6. Step 6: Final answer
    x = 248,763.82

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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.