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Finding the Fourth Proportional to 291,021.83, 436,733.18 and 101,483.63

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Solution

The fourth proportional to 291,021.83, 436,733.18 and 101,483.63 is: 152,295.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,021.83 : 436,733.18 = 101,483.63 : x
  2. Step 2: Convert to fraction form
    291,021.83/436,733.18 = 101,483.63/x
  3. Step 3: Cross multiply
    291,021.83x = 436,733.18 × 101,483.63
  4. Step 4: Simplify right side
    291,021.83x = 44,321,268,447.84
  5. Step 5: Solve for x
    x = 44,321,268,447.84/291,021.83
  6. Step 6: Final answer
    x = 152,295.34

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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.