Home / 314,866.05-434,502.25-171,622.95

Finding the Fourth Proportional to 314,866.05, 434,502.25 and 171,622.95

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Solution

The fourth proportional to 314,866.05, 434,502.25 and 171,622.95 is: 236,832.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,866.05 : 434,502.25 = 171,622.95 : x
  2. Step 2: Convert to fraction form
    314,866.05/434,502.25 = 171,622.95/x
  3. Step 3: Cross multiply
    314,866.05x = 434,502.25 × 171,622.95
  4. Step 4: Simplify right side
    314,866.05x = 74,570,557,926.64
  5. Step 5: Solve for x
    x = 74,570,557,926.64/314,866.05
  6. Step 6: Final answer
    x = 236,832.64

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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.