Home / 214,547.74-321,823.98-64,789.30

Finding the Fourth Proportional to 214,547.74, 321,823.98 and 64,789.30

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Solution

The fourth proportional to 214,547.74, 321,823.98 and 64,789.30 is: 97,184.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,547.74 : 321,823.98 = 64,789.30 : x
  2. Step 2: Convert to fraction form
    214,547.74/321,823.98 = 64,789.30/x
  3. Step 3: Cross multiply
    214,547.74x = 321,823.98 × 64,789.30
  4. Step 4: Simplify right side
    214,547.74x = 20,850,750,387.41
  5. Step 5: Solve for x
    x = 20,850,750,387.41/214,547.74
  6. Step 6: Final answer
    x = 97,184.67

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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.