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Finding the Fourth Proportional to 275,673.80, 413,607.90 and 265,953.80

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Solution

The fourth proportional to 275,673.80, 413,607.90 and 265,953.80 is: 399,024.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,673.80 : 413,607.90 = 265,953.80 : x
  2. Step 2: Convert to fraction form
    275,673.80/413,607.90 = 265,953.80/x
  3. Step 3: Cross multiply
    275,673.80x = 413,607.90 × 265,953.80
  4. Step 4: Simplify right side
    275,673.80x = 110,000,592,715.02
  5. Step 5: Solve for x
    x = 110,000,592,715.02/275,673.80
  6. Step 6: Final answer
    x = 399,024.47

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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.