Home / 263,389.53-363,478.50-142,530.80

Finding the Fourth Proportional to 263,389.53, 363,478.50 and 142,530.80

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Solution

The fourth proportional to 263,389.53, 363,478.50 and 142,530.80 is: 196,693.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,389.53 : 363,478.50 = 142,530.80 : x
  2. Step 2: Convert to fraction form
    263,389.53/363,478.50 = 142,530.80/x
  3. Step 3: Cross multiply
    263,389.53x = 363,478.50 × 142,530.80
  4. Step 4: Simplify right side
    263,389.53x = 51,806,880,479.10
  5. Step 5: Solve for x
    x = 51,806,880,479.10/263,389.53
  6. Step 6: Final answer
    x = 196,693.02

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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.