Home / 313,452.98-470,259.03-145,094.66

Finding the Fourth Proportional to 313,452.98, 470,259.03 and 145,094.66

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Solution

The fourth proportional to 313,452.98, 470,259.03 and 145,094.66 is: 217,678.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,452.98 : 470,259.03 = 145,094.66 : x
  2. Step 2: Convert to fraction form
    313,452.98/470,259.03 = 145,094.66/x
  3. Step 3: Cross multiply
    313,452.98x = 470,259.03 × 145,094.66
  4. Step 4: Simplify right side
    313,452.98x = 68,232,074,069.78
  5. Step 5: Solve for x
    x = 68,232,074,069.78/313,452.98
  6. Step 6: Final answer
    x = 217,678.82

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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.