Home / 284,490.18-427,599-190,055.52

Finding the Fourth Proportional to 284,490.18, 427,599 and 190,055.52

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Solution

The fourth proportional to 284,490.18, 427,599 and 190,055.52 is: 285,660.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,490.18 : 427,599 = 190,055.52 : x
  2. Step 2: Convert to fraction form
    284,490.18/427,599 = 190,055.52/x
  3. Step 3: Cross multiply
    284,490.18x = 427,599 × 190,055.52
  4. Step 4: Simplify right side
    284,490.18x = 81,267,550,296.48
  5. Step 5: Solve for x
    x = 81,267,550,296.48/284,490.18
  6. Step 6: Final answer
    x = 285,660.30

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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.