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Finding the Fourth Proportional to 445,782.36, 668,650.02 and 146,223.50

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Solution

The fourth proportional to 445,782.36, 668,650.02 and 146,223.50 is: 219,327.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,782.36 : 668,650.02 = 146,223.50 : x
  2. Step 2: Convert to fraction form
    445,782.36/668,650.02 = 146,223.50/x
  3. Step 3: Cross multiply
    445,782.36x = 668,650.02 × 146,223.50
  4. Step 4: Simplify right side
    445,782.36x = 97,772,346,199.47
  5. Step 5: Solve for x
    x = 97,772,346,199.47/445,782.36
  6. Step 6: Final answer
    x = 219,327.54

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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.