Home / 314,621.29-434,164.08-171,382.51

Finding the Fourth Proportional to 314,621.29, 434,164.08 and 171,382.51

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Solution

The fourth proportional to 314,621.29, 434,164.08 and 171,382.51 is: 236,500.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,621.29 : 434,164.08 = 171,382.51 : x
  2. Step 2: Convert to fraction form
    314,621.29/434,164.08 = 171,382.51/x
  3. Step 3: Cross multiply
    314,621.29x = 434,164.08 × 171,382.51
  4. Step 4: Simplify right side
    314,621.29x = 74,408,129,782.24
  5. Step 5: Solve for x
    x = 74,408,129,782.24/314,621.29
  6. Step 6: Final answer
    x = 236,500.62

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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.