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Finding the Fourth Proportional to 243,352.60, 365,028.90 and 234,021.40

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Solution

The fourth proportional to 243,352.60, 365,028.90 and 234,021.40 is: 351,032.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,352.60 : 365,028.90 = 234,021.40 : x
  2. Step 2: Convert to fraction form
    243,352.60/365,028.90 = 234,021.40/x
  3. Step 3: Cross multiply
    243,352.60x = 365,028.90 × 234,021.40
  4. Step 4: Simplify right side
    243,352.60x = 85,424,574,218.46
  5. Step 5: Solve for x
    x = 85,424,574,218.46/243,352.60
  6. Step 6: Final answer
    x = 351,032.10

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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.