Home / 280,955.10-387,712.14-153,630.60

Finding the Fourth Proportional to 280,955.10, 387,712.14 and 153,630.60

Calculator

Solution

The fourth proportional to 280,955.10, 387,712.14 and 153,630.60 is: 212,007.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,955.10 : 387,712.14 = 153,630.60 : x
  2. Step 2: Convert to fraction form
    280,955.10/387,712.14 = 153,630.60/x
  3. Step 3: Cross multiply
    280,955.10x = 387,712.14 × 153,630.60
  4. Step 4: Simplify right side
    280,955.10x = 59,564,448,695.48
  5. Step 5: Solve for x
    x = 59,564,448,695.48/280,955.10
  6. Step 6: Final answer
    x = 212,007.00

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.