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Finding the Fourth Proportional to 254,671.41, 351,369.89 and 152,659.65

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Solution

The fourth proportional to 254,671.41, 351,369.89 and 152,659.65 is: 210,624.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,671.41 : 351,369.89 = 152,659.65 : x
  2. Step 2: Convert to fraction form
    254,671.41/351,369.89 = 152,659.65/x
  3. Step 3: Cross multiply
    254,671.41x = 351,369.89 × 152,659.65
  4. Step 4: Simplify right side
    254,671.41x = 53,640,003,549.51
  5. Step 5: Solve for x
    x = 53,640,003,549.51/254,671.41
  6. Step 6: Final answer
    x = 210,624.37

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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.