Home / 313,630.21-470,374.39-145,058.04

Finding the Fourth Proportional to 313,630.21, 470,374.39 and 145,058.04

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Solution

The fourth proportional to 313,630.21, 470,374.39 and 145,058.04 is: 217,554.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,630.21 : 470,374.39 = 145,058.04 : x
  2. Step 2: Convert to fraction form
    313,630.21/470,374.39 = 145,058.04/x
  3. Step 3: Cross multiply
    313,630.21x = 470,374.39 × 145,058.04
  4. Step 4: Simplify right side
    313,630.21x = 68,231,587,260.92
  5. Step 5: Solve for x
    x = 68,231,587,260.92/313,630.21
  6. Step 6: Final answer
    x = 217,554.26

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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.