Home / 291,737.02-402,047.46-211,027.66

Finding the Fourth Proportional to 291,737.02, 402,047.46 and 211,027.66

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Solution

The fourth proportional to 291,737.02, 402,047.46 and 211,027.66 is: 290,820.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,737.02 : 402,047.46 = 211,027.66 : x
  2. Step 2: Convert to fraction form
    291,737.02/402,047.46 = 211,027.66/x
  3. Step 3: Cross multiply
    291,737.02x = 402,047.46 × 211,027.66
  4. Step 4: Simplify right side
    291,737.02x = 84,843,134,692.74
  5. Step 5: Solve for x
    x = 84,843,134,692.74/291,737.02
  6. Step 6: Final answer
    x = 290,820.60

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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.