Home / 386,031.88-578,905.50-133,248.04

Finding the Fourth Proportional to 386,031.88, 578,905.50 and 133,248.04

Calculator

Solution

The fourth proportional to 386,031.88, 578,905.50 and 133,248.04 is: 199,822.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,031.88 : 578,905.50 = 133,248.04 : x
  2. Step 2: Convert to fraction form
    386,031.88/578,905.50 = 133,248.04/x
  3. Step 3: Cross multiply
    386,031.88x = 578,905.50 × 133,248.04
  4. Step 4: Simplify right side
    386,031.88x = 77,138,023,220.22
  5. Step 5: Solve for x
    x = 77,138,023,220.22/386,031.88
  6. Step 6: Final answer
    x = 199,822.93

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.