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Finding the Fourth Proportional to 255,692.73, 352,709.63 and 160,033.35

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Solution

The fourth proportional to 255,692.73, 352,709.63 and 160,033.35 is: 220,754.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,692.73 : 352,709.63 = 160,033.35 : x
  2. Step 2: Convert to fraction form
    255,692.73/352,709.63 = 160,033.35/x
  3. Step 3: Cross multiply
    255,692.73x = 352,709.63 × 160,033.35
  4. Step 4: Simplify right side
    255,692.73x = 56,445,303,666.16
  5. Step 5: Solve for x
    x = 56,445,303,666.16/255,692.73
  6. Step 6: Final answer
    x = 220,754.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.