Home / 313,623.80-470,241.30-180,438.20

Finding the Fourth Proportional to 313,623.80, 470,241.30 and 180,438.20

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Solution

The fourth proportional to 313,623.80, 470,241.30 and 180,438.20 is: 270,545.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,623.80 : 470,241.30 = 180,438.20 : x
  2. Step 2: Convert to fraction form
    313,623.80/470,241.30 = 180,438.20/x
  3. Step 3: Cross multiply
    313,623.80x = 470,241.30 × 180,438.20
  4. Step 4: Simplify right side
    313,623.80x = 84,849,493,737.66
  5. Step 5: Solve for x
    x = 84,849,493,737.66/313,623.80
  6. Step 6: Final answer
    x = 270,545.46

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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.