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Finding the Fourth Proportional to 437,130.91, 655,307.37 and 170,830.87

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Solution

The fourth proportional to 437,130.91, 655,307.37 and 170,830.87 is: 256,094.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,130.91 : 655,307.37 = 170,830.87 : x
  2. Step 2: Convert to fraction form
    437,130.91/655,307.37 = 170,830.87/x
  3. Step 3: Cross multiply
    437,130.91x = 655,307.37 × 170,830.87
  4. Step 4: Simplify right side
    437,130.91x = 111,946,728,134.51
  5. Step 5: Solve for x
    x = 111,946,728,134.51/437,130.91
  6. Step 6: Final answer
    x = 256,094.29

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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.