Home / 231,621.05-316,718.36-231,621.05

Finding the Fourth Proportional to 231,621.05, 316,718.36 and 231,621.05

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Solution

The fourth proportional to 231,621.05, 316,718.36 and 231,621.05 is: 316,718.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,621.05 : 316,718.36 = 231,621.05 : x
  2. Step 2: Convert to fraction form
    231,621.05/316,718.36 = 231,621.05/x
  3. Step 3: Cross multiply
    231,621.05x = 316,718.36 × 231,621.05
  4. Step 4: Simplify right side
    231,621.05x = 73,358,636,355.78
  5. Step 5: Solve for x
    x = 73,358,636,355.78/231,621.05
  6. Step 6: Final answer
    x = 316,718.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.