Home / 374,496.64-561,739.50-121,788.76

Finding the Fourth Proportional to 374,496.64, 561,739.50 and 121,788.76

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Solution

The fourth proportional to 374,496.64, 561,739.50 and 121,788.76 is: 182,681.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,496.64 : 561,739.50 = 121,788.76 : x
  2. Step 2: Convert to fraction form
    374,496.64/561,739.50 = 121,788.76/x
  3. Step 3: Cross multiply
    374,496.64x = 561,739.50 × 121,788.76
  4. Step 4: Simplify right side
    374,496.64x = 68,413,557,148.02
  5. Step 5: Solve for x
    x = 68,413,557,148.02/374,496.64
  6. Step 6: Final answer
    x = 182,681.36

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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.