Home / 499,368.20-748,930.80-144,345.20

Finding the Fourth Proportional to 499,368.20, 748,930.80 and 144,345.20

Calculator

Solution

The fourth proportional to 499,368.20, 748,930.80 and 144,345.20 is: 216,482.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,368.20 : 748,930.80 = 144,345.20 : x
  2. Step 2: Convert to fraction form
    499,368.20/748,930.80 = 144,345.20/x
  3. Step 3: Cross multiply
    499,368.20x = 748,930.80 × 144,345.20
  4. Step 4: Simplify right side
    499,368.20x = 108,104,566,112.16
  5. Step 5: Solve for x
    x = 108,104,566,112.16/499,368.20
  6. Step 6: Final answer
    x = 216,482.68

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.