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Finding the Fourth Proportional to 237,064.40, 355,099.80 and 110,812.40

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Solution

The fourth proportional to 237,064.40, 355,099.80 and 110,812.40 is: 165,986.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,064.40 : 355,099.80 = 110,812.40 : x
  2. Step 2: Convert to fraction form
    237,064.40/355,099.80 = 110,812.40/x
  3. Step 3: Cross multiply
    237,064.40x = 355,099.80 × 110,812.40
  4. Step 4: Simplify right side
    237,064.40x = 39,349,461,077.52
  5. Step 5: Solve for x
    x = 39,349,461,077.52/237,064.40
  6. Step 6: Final answer
    x = 165,986.38

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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.