Home / 489,938.30-734,907.18-153,007.82

Finding the Fourth Proportional to 489,938.30, 734,907.18 and 153,007.82

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Solution

The fourth proportional to 489,938.30, 734,907.18 and 153,007.82 is: 229,511.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,938.30 : 734,907.18 = 153,007.82 : x
  2. Step 2: Convert to fraction form
    489,938.30/734,907.18 = 153,007.82/x
  3. Step 3: Cross multiply
    489,938.30x = 734,907.18 × 153,007.82
  4. Step 4: Simplify right side
    489,938.30x = 112,446,545,514.15
  5. Step 5: Solve for x
    x = 112,446,545,514.15/489,938.30
  6. Step 6: Final answer
    x = 229,511.65

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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.