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Finding the Fourth Proportional to 371,995.33, 513,393.69 and 210,833.08

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Solution

The fourth proportional to 371,995.33, 513,393.69 and 210,833.08 is: 290,972.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,995.33 : 513,393.69 = 210,833.08 : x
  2. Step 2: Convert to fraction form
    371,995.33/513,393.69 = 210,833.08/x
  3. Step 3: Cross multiply
    371,995.33x = 513,393.69 × 210,833.08
  4. Step 4: Simplify right side
    371,995.33x = 108,240,372,915.27
  5. Step 5: Solve for x
    x = 108,240,372,915.27/371,995.33
  6. Step 6: Final answer
    x = 290,972.40

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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.