Home / 291,487.45-402,281.37-170,621.41

Finding the Fourth Proportional to 291,487.45, 402,281.37 and 170,621.41

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Solution

The fourth proportional to 291,487.45, 402,281.37 and 170,621.41 is: 235,474.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,487.45 : 402,281.37 = 170,621.41 : x
  2. Step 2: Convert to fraction form
    291,487.45/402,281.37 = 170,621.41/x
  3. Step 3: Cross multiply
    291,487.45x = 402,281.37 × 170,621.41
  4. Step 4: Simplify right side
    291,487.45x = 68,637,814,566.13
  5. Step 5: Solve for x
    x = 68,637,814,566.13/291,487.45
  6. Step 6: Final answer
    x = 235,474.34

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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.