Home / 367,208.40-549,742.74-272,856.96

Finding the Fourth Proportional to 367,208.40, 549,742.74 and 272,856.96

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Solution

The fourth proportional to 367,208.40, 549,742.74 and 272,856.96 is: 408,490.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,208.40 : 549,742.74 = 272,856.96 : x
  2. Step 2: Convert to fraction form
    367,208.40/549,742.74 = 272,856.96/x
  3. Step 3: Cross multiply
    367,208.40x = 549,742.74 × 272,856.96
  4. Step 4: Simplify right side
    367,208.40x = 150,001,132,818.47
  5. Step 5: Solve for x
    x = 150,001,132,818.47/367,208.40
  6. Step 6: Final answer
    x = 408,490.47

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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.