Home / 307,746.08-424,354.74-200,116.52

Finding the Fourth Proportional to 307,746.08, 424,354.74 and 200,116.52

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Solution

The fourth proportional to 307,746.08, 424,354.74 and 200,116.52 is: 275,943.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,746.08 : 424,354.74 = 200,116.52 : x
  2. Step 2: Convert to fraction form
    307,746.08/424,354.74 = 200,116.52/x
  3. Step 3: Cross multiply
    307,746.08x = 424,354.74 × 200,116.52
  4. Step 4: Simplify right side
    307,746.08x = 84,920,393,814.30
  5. Step 5: Solve for x
    x = 84,920,393,814.30/307,746.08
  6. Step 6: Final answer
    x = 275,943.06

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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.