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Finding the Fourth Proportional to 605,302.76, 907,919.58 and 231,363.56

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Solution

The fourth proportional to 605,302.76, 907,919.58 and 231,363.56 is: 347,032.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,302.76 : 907,919.58 = 231,363.56 : x
  2. Step 2: Convert to fraction form
    605,302.76/907,919.58 = 231,363.56/x
  3. Step 3: Cross multiply
    605,302.76x = 907,919.58 × 231,363.56
  4. Step 4: Simplify right side
    605,302.76x = 210,059,506,222.51
  5. Step 5: Solve for x
    x = 210,059,506,222.51/605,302.76
  6. Step 6: Final answer
    x = 347,032.13

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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.