Home / 309,450.12-464,181.66-99,087.45

Finding the Fourth Proportional to 309,450.12, 464,181.66 and 99,087.45

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Solution

The fourth proportional to 309,450.12, 464,181.66 and 99,087.45 is: 148,633.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,450.12 : 464,181.66 = 99,087.45 : x
  2. Step 2: Convert to fraction form
    309,450.12/464,181.66 = 99,087.45/x
  3. Step 3: Cross multiply
    309,450.12x = 464,181.66 × 99,087.45
  4. Step 4: Simplify right side
    309,450.12x = 45,994,577,026.17
  5. Step 5: Solve for x
    x = 45,994,577,026.17/309,450.12
  6. Step 6: Final answer
    x = 148,633.25

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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.