Home / 208,278.35-312,429.71-58,530.32

Finding the Fourth Proportional to 208,278.35, 312,429.71 and 58,530.32

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Solution

The fourth proportional to 208,278.35, 312,429.71 and 58,530.32 is: 87,798.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,278.35 : 312,429.71 = 58,530.32 : x
  2. Step 2: Convert to fraction form
    208,278.35/312,429.71 = 58,530.32/x
  3. Step 3: Cross multiply
    208,278.35x = 312,429.71 × 58,530.32
  4. Step 4: Simplify right side
    208,278.35x = 18,286,610,903.81
  5. Step 5: Solve for x
    x = 18,286,610,903.81/208,278.35
  6. Step 6: Final answer
    x = 87,798.90

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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.