Home / 200,279.04-300,421.61-65,342.51

Finding the Fourth Proportional to 200,279.04, 300,421.61 and 65,342.51

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Solution

The fourth proportional to 200,279.04, 300,421.61 and 65,342.51 is: 98,014.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,279.04 : 300,421.61 = 65,342.51 : x
  2. Step 2: Convert to fraction form
    200,279.04/300,421.61 = 65,342.51/x
  3. Step 3: Cross multiply
    200,279.04x = 300,421.61 × 65,342.51
  4. Step 4: Simplify right side
    200,279.04x = 19,630,300,226.82
  5. Step 5: Solve for x
    x = 19,630,300,226.82/200,279.04
  6. Step 6: Final answer
    x = 98,014.75

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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.