Home / 309,280.05-426,816.98-295,108.29

Finding the Fourth Proportional to 309,280.05, 426,816.98 and 295,108.29

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Solution

The fourth proportional to 309,280.05, 426,816.98 and 295,108.29 is: 407,259.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,280.05 : 426,816.98 = 295,108.29 : x
  2. Step 2: Convert to fraction form
    309,280.05/426,816.98 = 295,108.29/x
  3. Step 3: Cross multiply
    309,280.05x = 426,816.98 × 295,108.29
  4. Step 4: Simplify right side
    309,280.05x = 125,957,227,635.22
  5. Step 5: Solve for x
    x = 125,957,227,635.22/309,280.05
  6. Step 6: Final answer
    x = 407,259.46

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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.