Home / 309,826.42-464,739.63-99,611.98

Finding the Fourth Proportional to 309,826.42, 464,739.63 and 99,611.98

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Solution

The fourth proportional to 309,826.42, 464,739.63 and 99,611.98 is: 149,417.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,826.42 : 464,739.63 = 99,611.98 : x
  2. Step 2: Convert to fraction form
    309,826.42/464,739.63 = 99,611.98/x
  3. Step 3: Cross multiply
    309,826.42x = 464,739.63 × 99,611.98
  4. Step 4: Simplify right side
    309,826.42x = 46,293,633,193.37
  5. Step 5: Solve for x
    x = 46,293,633,193.37/309,826.42
  6. Step 6: Final answer
    x = 149,417.97

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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.