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Finding the Fourth Proportional to 307,836, 424,884.40 and 180,552.60

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Solution

The fourth proportional to 307,836, 424,884.40 and 180,552.60 is: 249,204.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,836 : 424,884.40 = 180,552.60 : x
  2. Step 2: Convert to fraction form
    307,836/424,884.40 = 180,552.60/x
  3. Step 3: Cross multiply
    307,836x = 424,884.40 × 180,552.60
  4. Step 4: Simplify right side
    307,836x = 76,713,983,119.44
  5. Step 5: Solve for x
    x = 76,713,983,119.44/307,836
  6. Step 6: Final answer
    x = 249,204.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.