Home / 402,350.37-603,613.04-121,889.49

Finding the Fourth Proportional to 402,350.37, 603,613.04 and 121,889.49

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Solution

The fourth proportional to 402,350.37, 603,613.04 and 121,889.49 is: 182,860.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,350.37 : 603,613.04 = 121,889.49 : x
  2. Step 2: Convert to fraction form
    402,350.37/603,613.04 = 121,889.49/x
  3. Step 3: Cross multiply
    402,350.37x = 603,613.04 × 121,889.49
  4. Step 4: Simplify right side
    402,350.37x = 73,574,084,993.50
  5. Step 5: Solve for x
    x = 73,574,084,993.50/402,350.37
  6. Step 6: Final answer
    x = 182,860.74

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1.5x scale

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.