Home / 309,035.04-465,658.26-254,105.59

Finding the Fourth Proportional to 309,035.04, 465,658.26 and 254,105.59

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Solution

The fourth proportional to 309,035.04, 465,658.26 and 254,105.59 is: 382,889.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,035.04 : 465,658.26 = 254,105.59 : x
  2. Step 2: Convert to fraction form
    309,035.04/465,658.26 = 254,105.59/x
  3. Step 3: Cross multiply
    309,035.04x = 465,658.26 × 254,105.59
  4. Step 4: Simplify right side
    309,035.04x = 118,326,366,895.67
  5. Step 5: Solve for x
    x = 118,326,366,895.67/309,035.04
  6. Step 6: Final answer
    x = 382,889.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.