Home / 291,455.80-402,218.94-170,608.36

Finding the Fourth Proportional to 291,455.80, 402,218.94 and 170,608.36

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Solution

The fourth proportional to 291,455.80, 402,218.94 and 170,608.36 is: 235,445.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,455.80 : 402,218.94 = 170,608.36 : x
  2. Step 2: Convert to fraction form
    291,455.80/402,218.94 = 170,608.36/x
  3. Step 3: Cross multiply
    291,455.80x = 402,218.94 × 170,608.36
  4. Step 4: Simplify right side
    291,455.80x = 68,621,913,714.34
  5. Step 5: Solve for x
    x = 68,621,913,714.34/291,455.80
  6. Step 6: Final answer
    x = 235,445.35

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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.