Home / 468,279.43-646,226.76-253,421.06

Finding the Fourth Proportional to 468,279.43, 646,226.76 and 253,421.06

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Solution

The fourth proportional to 468,279.43, 646,226.76 and 253,421.06 is: 349,721.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,279.43 : 646,226.76 = 253,421.06 : x
  2. Step 2: Convert to fraction form
    468,279.43/646,226.76 = 253,421.06/x
  3. Step 3: Cross multiply
    468,279.43x = 646,226.76 × 253,421.06
  4. Step 4: Simplify right side
    468,279.43x = 163,767,466,813.27
  5. Step 5: Solve for x
    x = 163,767,466,813.27/468,279.43
  6. Step 6: Final answer
    x = 349,721.68

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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.