Home / 288,336.75-432,516.90-98,927.36

Finding the Fourth Proportional to 288,336.75, 432,516.90 and 98,927.36

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Solution

The fourth proportional to 288,336.75, 432,516.90 and 98,927.36 is: 148,395.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,336.75 : 432,516.90 = 98,927.36 : x
  2. Step 2: Convert to fraction form
    288,336.75/432,516.90 = 98,927.36/x
  3. Step 3: Cross multiply
    288,336.75x = 432,516.90 × 98,927.36
  4. Step 4: Simplify right side
    288,336.75x = 42,787,755,072.38
  5. Step 5: Solve for x
    x = 42,787,755,072.38/288,336.75
  6. Step 6: Final answer
    x = 148,395.08

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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.