Home / 315,629.50-435,280.23-246,728.06

Finding the Fourth Proportional to 315,629.50, 435,280.23 and 246,728.06

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Solution

The fourth proportional to 315,629.50, 435,280.23 and 246,728.06 is: 340,259.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,629.50 : 435,280.23 = 246,728.06 : x
  2. Step 2: Convert to fraction form
    315,629.50/435,280.23 = 246,728.06/x
  3. Step 3: Cross multiply
    315,629.50x = 435,280.23 × 246,728.06
  4. Step 4: Simplify right side
    315,629.50x = 107,395,847,792.45
  5. Step 5: Solve for x
    x = 107,395,847,792.45/315,629.50
  6. Step 6: Final answer
    x = 340,259.22

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1.5x scale

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.