Home / 294,014.83-405,855.86-208,421.20

Finding the Fourth Proportional to 294,014.83, 405,855.86 and 208,421.20

Calculator

Solution

The fourth proportional to 294,014.83, 405,855.86 and 208,421.20 is: 287,703.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,014.83 : 405,855.86 = 208,421.20 : x
  2. Step 2: Convert to fraction form
    294,014.83/405,855.86 = 208,421.20/x
  3. Step 3: Cross multiply
    294,014.83x = 405,855.86 × 208,421.20
  4. Step 4: Simplify right side
    294,014.83x = 84,588,964,557.73
  5. Step 5: Solve for x
    x = 84,588,964,557.73/294,014.83
  6. Step 6: Final answer
    x = 287,703.06

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.