Home / 276,681.40-415,022.10-274,931.80

Finding the Fourth Proportional to 276,681.40, 415,022.10 and 274,931.80

Calculator

Solution

The fourth proportional to 276,681.40, 415,022.10 and 274,931.80 is: 412,397.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,681.40 : 415,022.10 = 274,931.80 : x
  2. Step 2: Convert to fraction form
    276,681.40/415,022.10 = 274,931.80/x
  3. Step 3: Cross multiply
    276,681.40x = 415,022.10 × 274,931.80
  4. Step 4: Simplify right side
    276,681.40x = 114,102,772,992.78
  5. Step 5: Solve for x
    x = 114,102,772,992.78/276,681.40
  6. Step 6: Final answer
    x = 412,397.70

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.