Home / 290,118.08-434,973-112,475.36

Finding the Fourth Proportional to 290,118.08, 434,973 and 112,475.36

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Solution

The fourth proportional to 290,118.08, 434,973 and 112,475.36 is: 168,633.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,118.08 : 434,973 = 112,475.36 : x
  2. Step 2: Convert to fraction form
    290,118.08/434,973 = 112,475.36/x
  3. Step 3: Cross multiply
    290,118.08x = 434,973 × 112,475.36
  4. Step 4: Simplify right side
    290,118.08x = 48,923,744,765.28
  5. Step 5: Solve for x
    x = 48,923,744,765.28/290,118.08
  6. Step 6: Final answer
    x = 168,633.91

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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.