Home / 291,834.09-402,737.20-164,509.69

Finding the Fourth Proportional to 291,834.09, 402,737.20 and 164,509.69

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Solution

The fourth proportional to 291,834.09, 402,737.20 and 164,509.69 is: 227,026.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,834.09 : 402,737.20 = 164,509.69 : x
  2. Step 2: Convert to fraction form
    291,834.09/402,737.20 = 164,509.69/x
  3. Step 3: Cross multiply
    291,834.09x = 402,737.20 × 164,509.69
  4. Step 4: Simplify right side
    291,834.09x = 66,254,171,122.26
  5. Step 5: Solve for x
    x = 66,254,171,122.26/291,834.09
  6. Step 6: Final answer
    x = 227,026.84

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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.