Home / 351,076.77-484,483.20-189,931.32

Finding the Fourth Proportional to 351,076.77, 484,483.20 and 189,931.32

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Solution

The fourth proportional to 351,076.77, 484,483.20 and 189,931.32 is: 262,103.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,076.77 : 484,483.20 = 189,931.32 : x
  2. Step 2: Convert to fraction form
    351,076.77/484,483.20 = 189,931.32/x
  3. Step 3: Cross multiply
    351,076.77x = 484,483.20 × 189,931.32
  4. Step 4: Simplify right side
    351,076.77x = 92,018,533,693.82
  5. Step 5: Solve for x
    x = 92,018,533,693.82/351,076.77
  6. Step 6: Final answer
    x = 262,103.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.