Home / 314,688.29-434,269.87-171,448.31

Finding the Fourth Proportional to 314,688.29, 434,269.87 and 171,448.31

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Solution

The fourth proportional to 314,688.29, 434,269.87 and 171,448.31 is: 236,598.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,688.29 : 434,269.87 = 171,448.31 : x
  2. Step 2: Convert to fraction form
    314,688.29/434,269.87 = 171,448.31/x
  3. Step 3: Cross multiply
    314,688.29x = 434,269.87 × 171,448.31
  4. Step 4: Simplify right side
    314,688.29x = 74,454,835,952.47
  5. Step 5: Solve for x
    x = 74,454,835,952.47/314,688.29
  6. Step 6: Final answer
    x = 236,598.69

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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.