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Finding the Fourth Proportional to 211,150.56, 316,746.46 and 61,392

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Solution

The fourth proportional to 211,150.56, 316,746.46 and 61,392 is: 92,094.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,150.56 : 316,746.46 = 61,392 : x
  2. Step 2: Convert to fraction form
    211,150.56/316,746.46 = 61,392/x
  3. Step 3: Cross multiply
    211,150.56x = 316,746.46 × 61,392
  4. Step 4: Simplify right side
    211,150.56x = 19,445,698,672.32
  5. Step 5: Solve for x
    x = 19,445,698,672.32/211,150.56
  6. Step 6: Final answer
    x = 92,094.00

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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.