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Finding the Fourth Proportional to 295,802.80, 443,401.80 and 145,812.40

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Solution

The fourth proportional to 295,802.80, 443,401.80 and 145,812.40 is: 218,569.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,802.80 : 443,401.80 = 145,812.40 : x
  2. Step 2: Convert to fraction form
    295,802.80/443,401.80 = 145,812.40/x
  3. Step 3: Cross multiply
    295,802.80x = 443,401.80 × 145,812.40
  4. Step 4: Simplify right side
    295,802.80x = 64,653,480,622.32
  5. Step 5: Solve for x
    x = 64,653,480,622.32/295,802.80
  6. Step 6: Final answer
    x = 218,569.54

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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.