Home / 236,490.90-354,736.35-210,830.10

Finding the Fourth Proportional to 236,490.90, 354,736.35 and 210,830.10

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Solution

The fourth proportional to 236,490.90, 354,736.35 and 210,830.10 is: 316,245.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,490.90 : 354,736.35 = 210,830.10 : x
  2. Step 2: Convert to fraction form
    236,490.90/354,736.35 = 210,830.10/x
  3. Step 3: Cross multiply
    236,490.90x = 354,736.35 × 210,830.10
  4. Step 4: Simplify right side
    236,490.90x = 74,789,100,144.14
  5. Step 5: Solve for x
    x = 74,789,100,144.14/236,490.90
  6. Step 6: Final answer
    x = 316,245.15

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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.