Home / 309,331.30-463,999.69-122,342.82

Finding the Fourth Proportional to 309,331.30, 463,999.69 and 122,342.82

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Solution

The fourth proportional to 309,331.30, 463,999.69 and 122,342.82 is: 183,515.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,331.30 : 463,999.69 = 122,342.82 : x
  2. Step 2: Convert to fraction form
    309,331.30/463,999.69 = 122,342.82/x
  3. Step 3: Cross multiply
    309,331.30x = 463,999.69 × 122,342.82
  4. Step 4: Simplify right side
    309,331.30x = 56,767,030,553.73
  5. Step 5: Solve for x
    x = 56,767,030,553.73/309,331.30
  6. Step 6: Final answer
    x = 183,515.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.