Home / 291,734.01-402,043.32-211,024.65

Finding the Fourth Proportional to 291,734.01, 402,043.32 and 211,024.65

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Solution

The fourth proportional to 291,734.01, 402,043.32 and 211,024.65 is: 290,816.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,734.01 : 402,043.32 = 211,024.65 : x
  2. Step 2: Convert to fraction form
    291,734.01/402,043.32 = 211,024.65/x
  3. Step 3: Cross multiply
    291,734.01x = 402,043.32 × 211,024.65
  4. Step 4: Simplify right side
    291,734.01x = 84,841,050,887.84
  5. Step 5: Solve for x
    x = 84,841,050,887.84/291,734.01
  6. Step 6: Final answer
    x = 290,816.46

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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.