Home / 269,690.21-372,312.43-197,011.50

Finding the Fourth Proportional to 269,690.21, 372,312.43 and 197,011.50

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Solution

The fourth proportional to 269,690.21, 372,312.43 and 197,011.50 is: 271,978.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,690.21 : 372,312.43 = 197,011.50 : x
  2. Step 2: Convert to fraction form
    269,690.21/372,312.43 = 197,011.50/x
  3. Step 3: Cross multiply
    269,690.21x = 372,312.43 × 197,011.50
  4. Step 4: Simplify right side
    269,690.21x = 73,349,830,302.95
  5. Step 5: Solve for x
    x = 73,349,830,302.95/269,690.21
  6. Step 6: Final answer
    x = 271,978.10

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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.