Home / 313,943.23-470,283.58-145,226.71

Finding the Fourth Proportional to 313,943.23, 470,283.58 and 145,226.71

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Solution

The fourth proportional to 313,943.23, 470,283.58 and 145,226.71 is: 217,548.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,943.23 : 470,283.58 = 145,226.71 : x
  2. Step 2: Convert to fraction form
    313,943.23/470,283.58 = 145,226.71/x
  3. Step 3: Cross multiply
    313,943.23x = 470,283.58 × 145,226.71
  4. Step 4: Simplify right side
    313,943.23x = 68,297,737,090.42
  5. Step 5: Solve for x
    x = 68,297,737,090.42/313,943.23
  6. Step 6: Final answer
    x = 217,548.05

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1.5x scale

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.