Home / 315,165.56-434,926.94-171,924.35

Finding the Fourth Proportional to 315,165.56, 434,926.94 and 171,924.35

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Solution

The fourth proportional to 315,165.56, 434,926.94 and 171,924.35 is: 237,254.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,165.56 : 434,926.94 = 171,924.35 : x
  2. Step 2: Convert to fraction form
    315,165.56/434,926.94 = 171,924.35/x
  3. Step 3: Cross multiply
    315,165.56x = 434,926.94 × 171,924.35
  4. Step 4: Simplify right side
    315,165.56x = 74,774,528,422.73
  5. Step 5: Solve for x
    x = 74,774,528,422.73/315,165.56
  6. Step 6: Final answer
    x = 237,254.76

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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.