Home / 489,864.32-734,823.87-152,951.51

Finding the Fourth Proportional to 489,864.32, 734,823.87 and 152,951.51

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Solution

The fourth proportional to 489,864.32, 734,823.87 and 152,951.51 is: 229,435.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,864.32 : 734,823.87 = 152,951.51 : x
  2. Step 2: Convert to fraction form
    489,864.32/734,823.87 = 152,951.51/x
  3. Step 3: Cross multiply
    489,864.32x = 734,823.87 × 152,951.51
  4. Step 4: Simplify right side
    489,864.32x = 112,392,420,500.54
  5. Step 5: Solve for x
    x = 112,392,420,500.54/489,864.32
  6. Step 6: Final answer
    x = 229,435.82

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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.