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Finding the Fourth Proportional to 594,005.60, 891,212.40 and 173,343.20

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Solution

The fourth proportional to 594,005.60, 891,212.40 and 173,343.20 is: 260,074.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,005.60 : 891,212.40 = 173,343.20 : x
  2. Step 2: Convert to fraction form
    594,005.60/891,212.40 = 173,343.20/x
  3. Step 3: Cross multiply
    594,005.60x = 891,212.40 × 173,343.20
  4. Step 4: Simplify right side
    594,005.60x = 154,485,609,295.68
  5. Step 5: Solve for x
    x = 154,485,609,295.68/594,005.60
  6. Step 6: Final answer
    x = 260,074.33

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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.