Home / 260,427.08-390,238.56-175,855.80

Finding the Fourth Proportional to 260,427.08, 390,238.56 and 175,855.80

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Solution

The fourth proportional to 260,427.08, 390,238.56 and 175,855.80 is: 263,512.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,427.08 : 390,238.56 = 175,855.80 : x
  2. Step 2: Convert to fraction form
    260,427.08/390,238.56 = 175,855.80/x
  3. Step 3: Cross multiply
    260,427.08x = 390,238.56 × 175,855.80
  4. Step 4: Simplify right side
    260,427.08x = 68,625,714,159.65
  5. Step 5: Solve for x
    x = 68,625,714,159.65/260,427.08
  6. Step 6: Final answer
    x = 263,512.21

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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.