Home / 314,961.60-434,648.96-171,724.02

Finding the Fourth Proportional to 314,961.60, 434,648.96 and 171,724.02

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Solution

The fourth proportional to 314,961.60, 434,648.96 and 171,724.02 is: 236,980.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,961.60 : 434,648.96 = 171,724.02 : x
  2. Step 2: Convert to fraction form
    314,961.60/434,648.96 = 171,724.02/x
  3. Step 3: Cross multiply
    314,961.60x = 434,648.96 × 171,724.02
  4. Step 4: Simplify right side
    314,961.60x = 74,639,666,700.02
  5. Step 5: Solve for x
    x = 74,639,666,700.02/314,961.60
  6. Step 6: Final answer
    x = 236,980.21

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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.