Home / 260,144.40-390,216.60-246,366.30

Finding the Fourth Proportional to 260,144.40, 390,216.60 and 246,366.30

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Solution

The fourth proportional to 260,144.40, 390,216.60 and 246,366.30 is: 369,549.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,144.40 : 390,216.60 = 246,366.30 : x
  2. Step 2: Convert to fraction form
    260,144.40/390,216.60 = 246,366.30/x
  3. Step 3: Cross multiply
    260,144.40x = 390,216.60 × 246,366.30
  4. Step 4: Simplify right side
    260,144.40x = 96,136,219,940.58
  5. Step 5: Solve for x
    x = 96,136,219,940.58/260,144.40
  6. Step 6: Final answer
    x = 369,549.45

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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.