Home / 291,427.28-402,176.37-162,374.30

Finding the Fourth Proportional to 291,427.28, 402,176.37 and 162,374.30

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Solution

The fourth proportional to 291,427.28, 402,176.37 and 162,374.30 is: 224,080.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,427.28 : 402,176.37 = 162,374.30 : x
  2. Step 2: Convert to fraction form
    291,427.28/402,176.37 = 162,374.30/x
  3. Step 3: Cross multiply
    291,427.28x = 402,176.37 × 162,374.30
  4. Step 4: Simplify right side
    291,427.28x = 65,303,104,544.41
  5. Step 5: Solve for x
    x = 65,303,104,544.41/291,427.28
  6. Step 6: Final answer
    x = 224,080.28

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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.