Home / 314,813.32-434,429.73-171,570.29

Finding the Fourth Proportional to 314,813.32, 434,429.73 and 171,570.29

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Solution

The fourth proportional to 314,813.32, 434,429.73 and 171,570.29 is: 236,760.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,813.32 : 434,429.73 = 171,570.29 : x
  2. Step 2: Convert to fraction form
    314,813.32/434,429.73 = 171,570.29/x
  3. Step 3: Cross multiply
    314,813.32x = 434,429.73 × 171,570.29
  4. Step 4: Simplify right side
    314,813.32x = 74,535,234,760.72
  5. Step 5: Solve for x
    x = 74,535,234,760.72/314,813.32
  6. Step 6: Final answer
    x = 236,760.11

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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.