Home / 374,901.21-561,645.63-185,139.54

Finding the Fourth Proportional to 374,901.21, 561,645.63 and 185,139.54

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Solution

The fourth proportional to 374,901.21, 561,645.63 and 185,139.54 is: 277,360.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,901.21 : 561,645.63 = 185,139.54 : x
  2. Step 2: Convert to fraction form
    374,901.21/561,645.63 = 185,139.54/x
  3. Step 3: Cross multiply
    374,901.21x = 561,645.63 × 185,139.54
  4. Step 4: Simplify right side
    374,901.21x = 103,982,813,581.21
  5. Step 5: Solve for x
    x = 103,982,813,581.21/374,901.21
  6. Step 6: Final answer
    x = 277,360.57

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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.