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Finding the Fourth Proportional to 207,006.30, 310,509.45 and 207,006.30

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Solution

The fourth proportional to 207,006.30, 310,509.45 and 207,006.30 is: 310,509.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,006.30 : 310,509.45 = 207,006.30 : x
  2. Step 2: Convert to fraction form
    207,006.30/310,509.45 = 207,006.30/x
  3. Step 3: Cross multiply
    207,006.30x = 310,509.45 × 207,006.30
  4. Step 4: Simplify right side
    207,006.30x = 64,277,412,359.54
  5. Step 5: Solve for x
    x = 64,277,412,359.54/207,006.30
  6. Step 6: Final answer
    x = 310,509.45

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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.