Home / 209,646.68-314,466.21-51,875.15

Finding the Fourth Proportional to 209,646.68, 314,466.21 and 51,875.15

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Solution

The fourth proportional to 209,646.68, 314,466.21 and 51,875.15 is: 77,811.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,646.68 : 314,466.21 = 51,875.15 : x
  2. Step 2: Convert to fraction form
    209,646.68/314,466.21 = 51,875.15/x
  3. Step 3: Cross multiply
    209,646.68x = 314,466.21 × 51,875.15
  4. Step 4: Simplify right side
    209,646.68x = 16,312,980,241.35
  5. Step 5: Solve for x
    x = 16,312,980,241.35/209,646.68
  6. Step 6: Final answer
    x = 77,811.78

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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.