Home / 209,492.02-314,238.67-51,720.49

Finding the Fourth Proportional to 209,492.02, 314,238.67 and 51,720.49

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Solution

The fourth proportional to 209,492.02, 314,238.67 and 51,720.49 is: 77,580.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,492.02 : 314,238.67 = 51,720.49 : x
  2. Step 2: Convert to fraction form
    209,492.02/314,238.67 = 51,720.49/x
  3. Step 3: Cross multiply
    209,492.02x = 314,238.67 × 51,720.49
  4. Step 4: Simplify right side
    209,492.02x = 16,252,577,989.35
  5. Step 5: Solve for x
    x = 16,252,577,989.35/209,492.02
  6. Step 6: Final answer
    x = 77,580.89

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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.