Home / 388,433.52-536,048.28-218,673.72

Finding the Fourth Proportional to 388,433.52, 536,048.28 and 218,673.72

Calculator

Solution

The fourth proportional to 388,433.52, 536,048.28 and 218,673.72 is: 301,775.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,433.52 : 536,048.28 = 218,673.72 : x
  2. Step 2: Convert to fraction form
    388,433.52/536,048.28 = 218,673.72/x
  3. Step 3: Cross multiply
    388,433.52x = 536,048.28 × 218,673.72
  4. Step 4: Simplify right side
    388,433.52x = 117,219,671,487.20
  5. Step 5: Solve for x
    x = 117,219,671,487.20/388,433.52
  6. Step 6: Final answer
    x = 301,775.38

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.