Home / 346,541.64-519,316.74-156,530.22

Finding the Fourth Proportional to 346,541.64, 519,316.74 and 156,530.22

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Solution

The fourth proportional to 346,541.64, 519,316.74 and 156,530.22 is: 234,571.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,541.64 : 519,316.74 = 156,530.22 : x
  2. Step 2: Convert to fraction form
    346,541.64/519,316.74 = 156,530.22/x
  3. Step 3: Cross multiply
    346,541.64x = 519,316.74 × 156,530.22
  4. Step 4: Simplify right side
    346,541.64x = 81,288,763,561.88
  5. Step 5: Solve for x
    x = 81,288,763,561.88/346,541.64
  6. Step 6: Final answer
    x = 234,571.42

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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.