Home / 279,547.42-385,791.67-210,513.29

Finding the Fourth Proportional to 279,547.42, 385,791.67 and 210,513.29

Calculator

Solution

The fourth proportional to 279,547.42, 385,791.67 and 210,513.29 is: 290,520.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,547.42 : 385,791.67 = 210,513.29 : x
  2. Step 2: Convert to fraction form
    279,547.42/385,791.67 = 210,513.29/x
  3. Step 3: Cross multiply
    279,547.42x = 385,791.67 × 210,513.29
  4. Step 4: Simplify right side
    279,547.42x = 81,214,274,144.49
  5. Step 5: Solve for x
    x = 81,214,274,144.49/279,547.42
  6. Step 6: Final answer
    x = 290,520.57

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.