Home / 284,419.08-426,848.94-107,087.40

Finding the Fourth Proportional to 284,419.08, 426,848.94 and 107,087.40

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Solution

The fourth proportional to 284,419.08, 426,848.94 and 107,087.40 is: 160,714.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,419.08 : 426,848.94 = 107,087.40 : x
  2. Step 2: Convert to fraction form
    284,419.08/426,848.94 = 107,087.40/x
  3. Step 3: Cross multiply
    284,419.08x = 426,848.94 × 107,087.40
  4. Step 4: Simplify right side
    284,419.08x = 45,710,143,177.36
  5. Step 5: Solve for x
    x = 45,710,143,177.36/284,419.08
  6. Step 6: Final answer
    x = 160,714.05

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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.