Home / 291,435.04-402,176.40-164,112.16

Finding the Fourth Proportional to 291,435.04, 402,176.40 and 164,112.16

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Solution

The fourth proportional to 291,435.04, 402,176.40 and 164,112.16 is: 226,472.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,435.04 : 402,176.40 = 164,112.16 : x
  2. Step 2: Convert to fraction form
    291,435.04/402,176.40 = 164,112.16/x
  3. Step 3: Cross multiply
    291,435.04x = 402,176.40 × 164,112.16
  4. Step 4: Simplify right side
    291,435.04x = 66,002,037,705.02
  5. Step 5: Solve for x
    x = 66,002,037,705.02/291,435.04
  6. Step 6: Final answer
    x = 226,472.55

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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.