Home / 379,233.23-523,297.28-209,457.23

Finding the Fourth Proportional to 379,233.23, 523,297.28 and 209,457.23

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Solution

The fourth proportional to 379,233.23, 523,297.28 and 209,457.23 is: 289,026.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,233.23 : 523,297.28 = 209,457.23 : x
  2. Step 2: Convert to fraction form
    379,233.23/523,297.28 = 209,457.23/x
  3. Step 3: Cross multiply
    379,233.23x = 523,297.28 × 209,457.23
  4. Step 4: Simplify right side
    379,233.23x = 109,608,397,688.05
  5. Step 5: Solve for x
    x = 109,608,397,688.05/379,233.23
  6. Step 6: Final answer
    x = 289,026.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.