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Finding the Fourth Proportional to 155,755.37, 233,477.77 and 65,820.76

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Solution

The fourth proportional to 155,755.37, 233,477.77 and 65,820.76 is: 98,665.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,755.37 : 233,477.77 = 65,820.76 : x
  2. Step 2: Convert to fraction form
    155,755.37/233,477.77 = 65,820.76/x
  3. Step 3: Cross multiply
    155,755.37x = 233,477.77 × 65,820.76
  4. Step 4: Simplify right side
    155,755.37x = 15,367,684,391.80
  5. Step 5: Solve for x
    x = 15,367,684,391.80/155,755.37
  6. Step 6: Final answer
    x = 98,665.52

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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.