Home / 343,417.90-514,981.05-165,979.30

Finding the Fourth Proportional to 343,417.90, 514,981.05 and 165,979.30

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Solution

The fourth proportional to 343,417.90, 514,981.05 and 165,979.30 is: 248,898.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,417.90 : 514,981.05 = 165,979.30 : x
  2. Step 2: Convert to fraction form
    343,417.90/514,981.05 = 165,979.30/x
  3. Step 3: Cross multiply
    343,417.90x = 514,981.05 × 165,979.30
  4. Step 4: Simplify right side
    343,417.90x = 85,476,194,192.27
  5. Step 5: Solve for x
    x = 85,476,194,192.27/343,417.90
  6. Step 6: Final answer
    x = 248,898.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.