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Finding the Fourth Proportional to 294,700.40, 442,053.60 and 235,909.76

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Solution

The fourth proportional to 294,700.40, 442,053.60 and 235,909.76 is: 353,867.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,700.40 : 442,053.60 = 235,909.76 : x
  2. Step 2: Convert to fraction form
    294,700.40/442,053.60 = 235,909.76/x
  3. Step 3: Cross multiply
    294,700.40x = 442,053.60 × 235,909.76
  4. Step 4: Simplify right side
    294,700.40x = 104,284,758,683.14
  5. Step 5: Solve for x
    x = 104,284,758,683.14/294,700.40
  6. Step 6: Final answer
    x = 353,867.04

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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.