Home / 280,670.24-387,351.24-153,364.70

Finding the Fourth Proportional to 280,670.24, 387,351.24 and 153,364.70

Calculator

Solution

The fourth proportional to 280,670.24, 387,351.24 and 153,364.70 is: 211,657.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,670.24 : 387,351.24 = 153,364.70 : x
  2. Step 2: Convert to fraction form
    280,670.24/387,351.24 = 153,364.70/x
  3. Step 3: Cross multiply
    280,670.24x = 387,351.24 × 153,364.70
  4. Step 4: Simplify right side
    280,670.24x = 59,406,006,717.23
  5. Step 5: Solve for x
    x = 59,406,006,717.23/280,670.24
  6. Step 6: Final answer
    x = 211,657.66

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.