Home / 386,962.68-533,979.20-217,164

Finding the Fourth Proportional to 386,962.68, 533,979.20 and 217,164

Calculator

Solution

The fourth proportional to 386,962.68, 533,979.20 and 217,164 is: 299,669.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,962.68 : 533,979.20 = 217,164 : x
  2. Step 2: Convert to fraction form
    386,962.68/533,979.20 = 217,164/x
  3. Step 3: Cross multiply
    386,962.68x = 533,979.20 × 217,164
  4. Step 4: Simplify right side
    386,962.68x = 115,961,059,531.71
  5. Step 5: Solve for x
    x = 115,961,059,531.71/386,962.68
  6. Step 6: Final answer
    x = 299,669.88

Related Problems

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.