Home / 211,319.64-317,028.60-61,575.84

Finding the Fourth Proportional to 211,319.64, 317,028.60 and 61,575.84

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Solution

The fourth proportional to 211,319.64, 317,028.60 and 61,575.84 is: 92,378.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,319.64 : 317,028.60 = 61,575.84 : x
  2. Step 2: Convert to fraction form
    211,319.64/317,028.60 = 61,575.84/x
  3. Step 3: Cross multiply
    211,319.64x = 317,028.60 × 61,575.84
  4. Step 4: Simplify right side
    211,319.64x = 19,521,302,349.02
  5. Step 5: Solve for x
    x = 19,521,302,349.02/211,319.64
  6. Step 6: Final answer
    x = 92,378.08

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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.