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Finding the Fourth Proportional to 381,575.12, 526,547.32 and 211,795.88

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Solution

The fourth proportional to 381,575.12, 526,547.32 and 211,795.88 is: 292,263.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,575.12 : 526,547.32 = 211,795.88 : x
  2. Step 2: Convert to fraction form
    381,575.12/526,547.32 = 211,795.88/x
  3. Step 3: Cross multiply
    381,575.12x = 526,547.32 × 211,795.88
  4. Step 4: Simplify right side
    381,575.12x = 111,520,549,838.82
  5. Step 5: Solve for x
    x = 111,520,549,838.82/381,575.12
  6. Step 6: Final answer
    x = 292,263.69

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.