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Finding the Fourth Proportional to 294,701.40, 442,055.10 and 235,910.76

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Solution

The fourth proportional to 294,701.40, 442,055.10 and 235,910.76 is: 353,868.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,701.40 : 442,055.10 = 235,910.76 : x
  2. Step 2: Convert to fraction form
    294,701.40/442,055.10 = 235,910.76/x
  3. Step 3: Cross multiply
    294,701.40x = 442,055.10 × 235,910.76
  4. Step 4: Simplify right side
    294,701.40x = 104,285,554,602.88
  5. Step 5: Solve for x
    x = 104,285,554,602.88/294,701.40
  6. Step 6: Final answer
    x = 353,868.54

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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.