Home / 314,731.38-434,329.34-171,491.42

Finding the Fourth Proportional to 314,731.38, 434,329.34 and 171,491.42

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Solution

The fourth proportional to 314,731.38, 434,329.34 and 171,491.42 is: 236,658.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,731.38 : 434,329.34 = 171,491.42 : x
  2. Step 2: Convert to fraction form
    314,731.38/434,329.34 = 171,491.42/x
  3. Step 3: Cross multiply
    314,731.38x = 434,329.34 × 171,491.42
  4. Step 4: Simplify right side
    314,731.38x = 74,483,755,264.26
  5. Step 5: Solve for x
    x = 74,483,755,264.26/314,731.38
  6. Step 6: Final answer
    x = 236,658.18

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1.5x scale

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.