Home / 422,726.07-633,931.56-169,921.35

Finding the Fourth Proportional to 422,726.07, 633,931.56 and 169,921.35

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Solution

The fourth proportional to 422,726.07, 633,931.56 and 169,921.35 is: 254,818.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,726.07 : 633,931.56 = 169,921.35 : x
  2. Step 2: Convert to fraction form
    422,726.07/633,931.56 = 169,921.35/x
  3. Step 3: Cross multiply
    422,726.07x = 633,931.56 × 169,921.35
  4. Step 4: Simplify right side
    422,726.07x = 107,718,506,482.81
  5. Step 5: Solve for x
    x = 107,718,506,482.81/422,726.07
  6. Step 6: Final answer
    x = 254,818.70

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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.