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Finding the Fourth Proportional to 435,038.63, 600,610.70 and 274,031.69

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Solution

The fourth proportional to 435,038.63, 600,610.70 and 274,031.69 is: 378,325.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,038.63 : 600,610.70 = 274,031.69 : x
  2. Step 2: Convert to fraction form
    435,038.63/600,610.70 = 274,031.69/x
  3. Step 3: Cross multiply
    435,038.63x = 600,610.70 × 274,031.69
  4. Step 4: Simplify right side
    435,038.63x = 164,586,365,153.08
  5. Step 5: Solve for x
    x = 164,586,365,153.08/435,038.63
  6. Step 6: Final answer
    x = 378,325.86

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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.