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Finding the Fourth Proportional to 207,004.20, 310,579.20 and 101,752.80

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Solution

The fourth proportional to 207,004.20, 310,579.20 and 101,752.80 is: 152,665.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,004.20 : 310,579.20 = 101,752.80 : x
  2. Step 2: Convert to fraction form
    207,004.20/310,579.20 = 101,752.80/x
  3. Step 3: Cross multiply
    207,004.20x = 310,579.20 × 101,752.80
  4. Step 4: Simplify right side
    207,004.20x = 31,602,303,221.76
  5. Step 5: Solve for x
    x = 31,602,303,221.76/207,004.20
  6. Step 6: Final answer
    x = 152,665.03

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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.