Home / 379,029.15-523,060.29-209,263.26

Finding the Fourth Proportional to 379,029.15, 523,060.29 and 209,263.26

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Solution

The fourth proportional to 379,029.15, 523,060.29 and 209,263.26 is: 288,783.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,029.15 : 523,060.29 = 209,263.26 : x
  2. Step 2: Convert to fraction form
    379,029.15/523,060.29 = 209,263.26/x
  3. Step 3: Cross multiply
    379,029.15x = 523,060.29 × 209,263.26
  4. Step 4: Simplify right side
    379,029.15x = 109,457,301,461.95
  5. Step 5: Solve for x
    x = 109,457,301,461.95/379,029.15
  6. Step 6: Final answer
    x = 288,783.33

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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.