Home / 291,702.40-437,553.60-221,718.40

Finding the Fourth Proportional to 291,702.40, 437,553.60 and 221,718.40

Calculator

Solution

The fourth proportional to 291,702.40, 437,553.60 and 221,718.40 is: 332,577.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,702.40 : 437,553.60 = 221,718.40 : x
  2. Step 2: Convert to fraction form
    291,702.40/437,553.60 = 221,718.40/x
  3. Step 3: Cross multiply
    291,702.40x = 437,553.60 × 221,718.40
  4. Step 4: Simplify right side
    291,702.40x = 97,013,684,106.24
  5. Step 5: Solve for x
    x = 97,013,684,106.24/291,702.40
  6. Step 6: Final answer
    x = 332,577.60

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.