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Finding the Fourth Proportional to 374,465.82, 561,582.09 and 125,089.50

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Solution

The fourth proportional to 374,465.82, 561,582.09 and 125,089.50 is: 187,595.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,465.82 : 561,582.09 = 125,089.50 : x
  2. Step 2: Convert to fraction form
    374,465.82/561,582.09 = 125,089.50/x
  3. Step 3: Cross multiply
    374,465.82x = 561,582.09 × 125,089.50
  4. Step 4: Simplify right side
    374,465.82x = 70,248,022,847.06
  5. Step 5: Solve for x
    x = 70,248,022,847.06/374,465.82
  6. Step 6: Final answer
    x = 187,595.29

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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.