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Finding the Fourth Proportional to 243,802.89, 336,483.90 and 148,291.11

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Solution

The fourth proportional to 243,802.89, 336,483.90 and 148,291.11 is: 204,663.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,802.89 : 336,483.90 = 148,291.11 : x
  2. Step 2: Convert to fraction form
    243,802.89/336,483.90 = 148,291.11/x
  3. Step 3: Cross multiply
    243,802.89x = 336,483.90 × 148,291.11
  4. Step 4: Simplify right side
    243,802.89x = 49,897,571,028.13
  5. Step 5: Solve for x
    x = 49,897,571,028.13/243,802.89
  6. Step 6: Final answer
    x = 204,663.57

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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.