Home / 225,841.21-310,878.66-195,200.35

Finding the Fourth Proportional to 225,841.21, 310,878.66 and 195,200.35

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Solution

The fourth proportional to 225,841.21, 310,878.66 and 195,200.35 is: 268,700.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,841.21 : 310,878.66 = 195,200.35 : x
  2. Step 2: Convert to fraction form
    225,841.21/310,878.66 = 195,200.35/x
  3. Step 3: Cross multiply
    225,841.21x = 310,878.66 × 195,200.35
  4. Step 4: Simplify right side
    225,841.21x = 60,683,623,239.53
  5. Step 5: Solve for x
    x = 60,683,623,239.53/225,841.21
  6. Step 6: Final answer
    x = 268,700.40

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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.