Home / 291,446.02-402,125.47-164,121.58

Finding the Fourth Proportional to 291,446.02, 402,125.47 and 164,121.58

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Solution

The fourth proportional to 291,446.02, 402,125.47 and 164,121.58 is: 226,448.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,446.02 : 402,125.47 = 164,121.58 : x
  2. Step 2: Convert to fraction form
    291,446.02/402,125.47 = 164,121.58/x
  3. Step 3: Cross multiply
    291,446.02x = 402,125.47 × 164,121.58
  4. Step 4: Simplify right side
    291,446.02x = 65,997,467,494.64
  5. Step 5: Solve for x
    x = 65,997,467,494.64/291,446.02
  6. Step 6: Final answer
    x = 226,448.34

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1.5x scale

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.