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Finding the Fourth Proportional to 301,665.60, 452,596.82 and 143,873.55

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Solution

The fourth proportional to 301,665.60, 452,596.82 and 143,873.55 is: 215,857.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,665.60 : 452,596.82 = 143,873.55 : x
  2. Step 2: Convert to fraction form
    301,665.60/452,596.82 = 143,873.55/x
  3. Step 3: Cross multiply
    301,665.60x = 452,596.82 × 143,873.55
  4. Step 4: Simplify right side
    301,665.60x = 65,116,710,492.74
  5. Step 5: Solve for x
    x = 65,116,710,492.74/301,665.60
  6. Step 6: Final answer
    x = 215,857.26

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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.