Home / 217,496.32-299,827.20-153,721.60

Finding the Fourth Proportional to 217,496.32, 299,827.20 and 153,721.60

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Solution

The fourth proportional to 217,496.32, 299,827.20 and 153,721.60 is: 211,911.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,496.32 : 299,827.20 = 153,721.60 : x
  2. Step 2: Convert to fraction form
    217,496.32/299,827.20 = 153,721.60/x
  3. Step 3: Cross multiply
    217,496.32x = 299,827.20 × 153,721.60
  4. Step 4: Simplify right side
    217,496.32x = 46,089,916,907.52
  5. Step 5: Solve for x
    x = 46,089,916,907.52/217,496.32
  6. Step 6: Final answer
    x = 211,911.25

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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.