Home / 511,407-767,141.25-156,424.10

Finding the Fourth Proportional to 511,407, 767,141.25 and 156,424.10

Calculator

Solution

The fourth proportional to 511,407, 767,141.25 and 156,424.10 is: 234,645.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,407 : 767,141.25 = 156,424.10 : x
  2. Step 2: Convert to fraction form
    511,407/767,141.25 = 156,424.10/x
  3. Step 3: Cross multiply
    511,407x = 767,141.25 × 156,424.10
  4. Step 4: Simplify right side
    511,407x = 119,999,376,501.66
  5. Step 5: Solve for x
    x = 119,999,376,501.66/511,407
  6. Step 6: Final answer
    x = 234,645.55

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.