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Finding the Fourth Proportional to 294,455.52, 441,365.76 and 144,521.28

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Solution

The fourth proportional to 294,455.52, 441,365.76 and 144,521.28 is: 216,626.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,455.52 : 441,365.76 = 144,521.28 : x
  2. Step 2: Convert to fraction form
    294,455.52/441,365.76 = 144,521.28/x
  3. Step 3: Cross multiply
    294,455.52x = 441,365.76 × 144,521.28
  4. Step 4: Simplify right side
    294,455.52x = 63,786,744,583.37
  5. Step 5: Solve for x
    x = 63,786,744,583.37/294,455.52
  6. Step 6: Final answer
    x = 216,626.08

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1.5x scale

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.