Home / 346,479.64-519,719.42-130,378.96

Finding the Fourth Proportional to 346,479.64, 519,719.42 and 130,378.96

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Solution

The fourth proportional to 346,479.64, 519,719.42 and 130,378.96 is: 195,568.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,479.64 : 519,719.42 = 130,378.96 : x
  2. Step 2: Convert to fraction form
    346,479.64/519,719.42 = 130,378.96/x
  3. Step 3: Cross multiply
    346,479.64x = 519,719.42 × 130,378.96
  4. Step 4: Simplify right side
    346,479.64x = 67,760,477,471.40
  5. Step 5: Solve for x
    x = 67,760,477,471.40/346,479.64
  6. Step 6: Final answer
    x = 195,568.42

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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.