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Finding the Fourth Proportional to 370,369.59, 555,598.89 and 130,433.91

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Solution

The fourth proportional to 370,369.59, 555,598.89 and 130,433.91 is: 195,666.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,369.59 : 555,598.89 = 130,433.91 : x
  2. Step 2: Convert to fraction form
    370,369.59/555,598.89 = 130,433.91/x
  3. Step 3: Cross multiply
    370,369.59x = 555,598.89 × 130,433.91
  4. Step 4: Simplify right side
    370,369.59x = 72,468,935,614.36
  5. Step 5: Solve for x
    x = 72,468,935,614.36/370,369.59
  6. Step 6: Final answer
    x = 195,666.54

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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.