Home / 353,267.40-487,498.58-200,319.55

Finding the Fourth Proportional to 353,267.40, 487,498.58 and 200,319.55

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Solution

The fourth proportional to 353,267.40, 487,498.58 and 200,319.55 is: 276,435.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,267.40 : 487,498.58 = 200,319.55 : x
  2. Step 2: Convert to fraction form
    353,267.40/487,498.58 = 200,319.55/x
  3. Step 3: Cross multiply
    353,267.40x = 487,498.58 × 200,319.55
  4. Step 4: Simplify right side
    353,267.40x = 97,655,496,171.24
  5. Step 5: Solve for x
    x = 97,655,496,171.24/353,267.40
  6. Step 6: Final answer
    x = 276,435.06

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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.