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Finding the Fourth Proportional to 590,238.60, 885,722.40 and 235,215.60

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Solution

The fourth proportional to 590,238.60, 885,722.40 and 235,215.60 is: 352,968.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,238.60 : 885,722.40 = 235,215.60 : x
  2. Step 2: Convert to fraction form
    590,238.60/885,722.40 = 235,215.60/x
  3. Step 3: Cross multiply
    590,238.60x = 885,722.40 × 235,215.60
  4. Step 4: Simplify right side
    590,238.60x = 208,335,725,749.44
  5. Step 5: Solve for x
    x = 208,335,725,749.44/590,238.60
  6. Step 6: Final answer
    x = 352,968.66

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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.