Home / 235,417.20-352,607.40-209,151.60

Finding the Fourth Proportional to 235,417.20, 352,607.40 and 209,151.60

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Solution

The fourth proportional to 235,417.20, 352,607.40 and 209,151.60 is: 313,266.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,417.20 : 352,607.40 = 209,151.60 : x
  2. Step 2: Convert to fraction form
    235,417.20/352,607.40 = 209,151.60/x
  3. Step 3: Cross multiply
    235,417.20x = 352,607.40 × 209,151.60
  4. Step 4: Simplify right side
    235,417.20x = 73,748,401,881.84
  5. Step 5: Solve for x
    x = 73,748,401,881.84/235,417.20
  6. Step 6: Final answer
    x = 313,266.84

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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.