Home / 286,624.36-429,935.93-76,262.30

Finding the Fourth Proportional to 286,624.36, 429,935.93 and 76,262.30

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Solution

The fourth proportional to 286,624.36, 429,935.93 and 76,262.30 is: 114,393.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,624.36 : 429,935.93 = 76,262.30 : x
  2. Step 2: Convert to fraction form
    286,624.36/429,935.93 = 76,262.30/x
  3. Step 3: Cross multiply
    286,624.36x = 429,935.93 × 76,262.30
  4. Step 4: Simplify right side
    286,624.36x = 32,787,902,874.44
  5. Step 5: Solve for x
    x = 32,787,902,874.44/286,624.36
  6. Step 6: Final answer
    x = 114,393.29

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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.