Home / 289,407.84-434,259.80-137,776.25

Finding the Fourth Proportional to 289,407.84, 434,259.80 and 137,776.25

Calculator

Solution

The fourth proportional to 289,407.84, 434,259.80 and 137,776.25 is: 206,734.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,407.84 : 434,259.80 = 137,776.25 : x
  2. Step 2: Convert to fraction form
    289,407.84/434,259.80 = 137,776.25/x
  3. Step 3: Cross multiply
    289,407.84x = 434,259.80 × 137,776.25
  4. Step 4: Simplify right side
    289,407.84x = 59,830,683,909.57
  5. Step 5: Solve for x
    x = 59,830,683,909.57/289,407.84
  6. Step 6: Final answer
    x = 206,734.84

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.