Home / 370,585.20-555,877.80-121,292.40

Finding the Fourth Proportional to 370,585.20, 555,877.80 and 121,292.40

Calculator

Solution

The fourth proportional to 370,585.20, 555,877.80 and 121,292.40 is: 181,938.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,585.20 : 555,877.80 = 121,292.40 : x
  2. Step 2: Convert to fraction form
    370,585.20/555,877.80 = 121,292.40/x
  3. Step 3: Cross multiply
    370,585.20x = 555,877.80 × 121,292.40
  4. Step 4: Simplify right side
    370,585.20x = 67,423,752,468.72
  5. Step 5: Solve for x
    x = 67,423,752,468.72/370,585.20
  6. Step 6: Final answer
    x = 181,938.60

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.