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Finding the Fourth Proportional to 370,279.80, 510,987.69 and 200,514.06

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Solution

The fourth proportional to 370,279.80, 510,987.69 and 200,514.06 is: 276,710.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,279.80 : 510,987.69 = 200,514.06 : x
  2. Step 2: Convert to fraction form
    370,279.80/510,987.69 = 200,514.06/x
  3. Step 3: Cross multiply
    370,279.80x = 510,987.69 × 200,514.06
  4. Step 4: Simplify right side
    370,279.80x = 102,460,216,331.92
  5. Step 5: Solve for x
    x = 102,460,216,331.92/370,279.80
  6. Step 6: Final answer
    x = 276,710.25

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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.