Home / 328,283.90-492,484.21-112,130.90

Finding the Fourth Proportional to 328,283.90, 492,484.21 and 112,130.90

Calculator

Solution

The fourth proportional to 328,283.90, 492,484.21 and 112,130.90 is: 168,216.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,283.90 : 492,484.21 = 112,130.90 : x
  2. Step 2: Convert to fraction form
    328,283.90/492,484.21 = 112,130.90/x
  3. Step 3: Cross multiply
    328,283.90x = 492,484.21 × 112,130.90
  4. Step 4: Simplify right side
    328,283.90x = 55,222,694,960.34
  5. Step 5: Solve for x
    x = 55,222,694,960.34/328,283.90
  6. Step 6: Final answer
    x = 168,216.28

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.