Home / 505,988.69-758,871.23-146,081.35

Finding the Fourth Proportional to 505,988.69, 758,871.23 and 146,081.35

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Solution

The fourth proportional to 505,988.69, 758,871.23 and 146,081.35 is: 219,089.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,988.69 : 758,871.23 = 146,081.35 : x
  2. Step 2: Convert to fraction form
    505,988.69/758,871.23 = 146,081.35/x
  3. Step 3: Cross multiply
    505,988.69x = 758,871.23 × 146,081.35
  4. Step 4: Simplify right side
    505,988.69x = 110,856,931,126.98
  5. Step 5: Solve for x
    x = 110,856,931,126.98/505,988.69
  6. Step 6: Final answer
    x = 219,089.74

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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.