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Finding the Fourth Proportional to 213,522.36, 293,810.94 and 207,029.40

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Solution

The fourth proportional to 213,522.36, 293,810.94 and 207,029.40 is: 284,876.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,522.36 : 293,810.94 = 207,029.40 : x
  2. Step 2: Convert to fraction form
    213,522.36/293,810.94 = 207,029.40/x
  3. Step 3: Cross multiply
    213,522.36x = 293,810.94 × 207,029.40
  4. Step 4: Simplify right side
    213,522.36x = 60,827,502,621.64
  5. Step 5: Solve for x
    x = 60,827,502,621.64/213,522.36
  6. Step 6: Final answer
    x = 284,876.50

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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.