Home / 299,725.22-413,615.98-163,756.24

Finding the Fourth Proportional to 299,725.22, 413,615.98 and 163,756.24

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Solution

The fourth proportional to 299,725.22, 413,615.98 and 163,756.24 is: 225,980.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,725.22 : 413,615.98 = 163,756.24 : x
  2. Step 2: Convert to fraction form
    299,725.22/413,615.98 = 163,756.24/x
  3. Step 3: Cross multiply
    299,725.22x = 413,615.98 × 163,756.24
  4. Step 4: Simplify right side
    299,725.22x = 67,732,197,688.72
  5. Step 5: Solve for x
    x = 67,732,197,688.72/299,725.22
  6. Step 6: Final answer
    x = 225,980.98

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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.