Home / 209,968.30-314,836.80-143,483.50

Finding the Fourth Proportional to 209,968.30, 314,836.80 and 143,483.50

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Solution

The fourth proportional to 209,968.30, 314,836.80 and 143,483.50 is: 215,146.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,968.30 : 314,836.80 = 143,483.50 : x
  2. Step 2: Convert to fraction form
    209,968.30/314,836.80 = 143,483.50/x
  3. Step 3: Cross multiply
    209,968.30x = 314,836.80 × 143,483.50
  4. Step 4: Simplify right side
    209,968.30x = 45,173,885,992.80
  5. Step 5: Solve for x
    x = 45,173,885,992.80/209,968.30
  6. Step 6: Final answer
    x = 215,146.22

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1.5x scale

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.