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Finding the Fourth Proportional to 237,099.16, 355,926.54 and 187,212.88

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Solution

The fourth proportional to 237,099.16, 355,926.54 and 187,212.88 is: 281,038.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,099.16 : 355,926.54 = 187,212.88 : x
  2. Step 2: Convert to fraction form
    237,099.16/355,926.54 = 187,212.88/x
  3. Step 3: Cross multiply
    237,099.16x = 355,926.54 × 187,212.88
  4. Step 4: Simplify right side
    237,099.16x = 66,634,032,621.84
  5. Step 5: Solve for x
    x = 66,634,032,621.84/237,099.16
  6. Step 6: Final answer
    x = 281,038.67

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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.