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Finding the Fourth Proportional to 286,382.24, 429,408.74 and 118,018.80

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Solution

The fourth proportional to 286,382.24, 429,408.74 and 118,018.80 is: 176,960.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,382.24 : 429,408.74 = 118,018.80 : x
  2. Step 2: Convert to fraction form
    286,382.24/429,408.74 = 118,018.80/x
  3. Step 3: Cross multiply
    286,382.24x = 429,408.74 × 118,018.80
  4. Step 4: Simplify right side
    286,382.24x = 50,678,304,204.31
  5. Step 5: Solve for x
    x = 50,678,304,204.31/286,382.24
  6. Step 6: Final answer
    x = 176,960.36

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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.