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Finding the Fourth Proportional to 213,557.99, 294,661.06 and 127,500.21

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Solution

The fourth proportional to 213,557.99, 294,661.06 and 127,500.21 is: 175,921.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,557.99 : 294,661.06 = 127,500.21 : x
  2. Step 2: Convert to fraction form
    213,557.99/294,661.06 = 127,500.21/x
  3. Step 3: Cross multiply
    213,557.99x = 294,661.06 × 127,500.21
  4. Step 4: Simplify right side
    213,557.99x = 37,569,346,710.07
  5. Step 5: Solve for x
    x = 37,569,346,710.07/213,557.99
  6. Step 6: Final answer
    x = 175,921.06

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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.