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Finding the Fourth Proportional to 219,900.74, 303,275.49 and 169,036.70

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Solution

The fourth proportional to 219,900.74, 303,275.49 and 169,036.70 is: 233,126.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,900.74 : 303,275.49 = 169,036.70 : x
  2. Step 2: Convert to fraction form
    219,900.74/303,275.49 = 169,036.70/x
  3. Step 3: Cross multiply
    219,900.74x = 303,275.49 × 169,036.70
  4. Step 4: Simplify right side
    219,900.74x = 51,264,688,020.48
  5. Step 5: Solve for x
    x = 51,264,688,020.48/219,900.74
  6. Step 6: Final answer
    x = 233,126.49

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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.