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Finding the Fourth Proportional to 459,249, 688,883 and 167,118.82

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Solution

The fourth proportional to 459,249, 688,883 and 167,118.82 is: 250,681.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,249 : 688,883 = 167,118.82 : x
  2. Step 2: Convert to fraction form
    459,249/688,883 = 167,118.82/x
  3. Step 3: Cross multiply
    459,249x = 688,883 × 167,118.82
  4. Step 4: Simplify right side
    459,249x = 115,125,314,078.06
  5. Step 5: Solve for x
    x = 115,125,314,078.06/459,249
  6. Step 6: Final answer
    x = 250,681.69

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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.