Home / 297,851.39-411,038.07-161,885.35

Finding the Fourth Proportional to 297,851.39, 411,038.07 and 161,885.35

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Solution

The fourth proportional to 297,851.39, 411,038.07 and 161,885.35 is: 223,403.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,851.39 : 411,038.07 = 161,885.35 : x
  2. Step 2: Convert to fraction form
    297,851.39/411,038.07 = 161,885.35/x
  3. Step 3: Cross multiply
    297,851.39x = 411,038.07 × 161,885.35
  4. Step 4: Simplify right side
    297,851.39x = 66,541,041,825.27
  5. Step 5: Solve for x
    x = 66,541,041,825.27/297,851.39
  6. Step 6: Final answer
    x = 223,403.50

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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.