Home / 236,669.40-354,312.90-211,786.20

Finding the Fourth Proportional to 236,669.40, 354,312.90 and 211,786.20

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Solution

The fourth proportional to 236,669.40, 354,312.90 and 211,786.20 is: 317,060.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,669.40 : 354,312.90 = 211,786.20 : x
  2. Step 2: Convert to fraction form
    236,669.40/354,312.90 = 211,786.20/x
  3. Step 3: Cross multiply
    236,669.40x = 354,312.90 × 211,786.20
  4. Step 4: Simplify right side
    236,669.40x = 75,038,582,701.98
  5. Step 5: Solve for x
    x = 75,038,582,701.98/236,669.40
  6. Step 6: Final answer
    x = 317,060.77

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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.