Home / 240,038.99-359,979.35-80,070.84

Finding the Fourth Proportional to 240,038.99, 359,979.35 and 80,070.84

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Solution

The fourth proportional to 240,038.99, 359,979.35 and 80,070.84 is: 120,079.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,038.99 : 359,979.35 = 80,070.84 : x
  2. Step 2: Convert to fraction form
    240,038.99/359,979.35 = 80,070.84/x
  3. Step 3: Cross multiply
    240,038.99x = 359,979.35 × 80,070.84
  4. Step 4: Simplify right side
    240,038.99x = 28,823,848,536.80
  5. Step 5: Solve for x
    x = 28,823,848,536.80/240,038.99
  6. Step 6: Final answer
    x = 120,079.86

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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.