Home / 351,541.64-485,125.04-190,393

Finding the Fourth Proportional to 351,541.64, 485,125.04 and 190,393

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Solution

The fourth proportional to 351,541.64, 485,125.04 and 190,393 is: 262,741.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,541.64 : 485,125.04 = 190,393 : x
  2. Step 2: Convert to fraction form
    351,541.64/485,125.04 = 190,393/x
  3. Step 3: Cross multiply
    351,541.64x = 485,125.04 × 190,393
  4. Step 4: Simplify right side
    351,541.64x = 92,364,411,740.72
  5. Step 5: Solve for x
    x = 92,364,411,740.72/351,541.64
  6. Step 6: Final answer
    x = 262,741.03

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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.