Home / 489,890.37-734,838.15-152,902.80

Finding the Fourth Proportional to 489,890.37, 734,838.15 and 152,902.80

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Solution

The fourth proportional to 489,890.37, 734,838.15 and 152,902.80 is: 229,355.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,890.37 : 734,838.15 = 152,902.80 : x
  2. Step 2: Convert to fraction form
    489,890.37/734,838.15 = 152,902.80/x
  3. Step 3: Cross multiply
    489,890.37x = 734,838.15 × 152,902.80
  4. Step 4: Simplify right side
    489,890.37x = 112,358,810,681.82
  5. Step 5: Solve for x
    x = 112,358,810,681.82/489,890.37
  6. Step 6: Final answer
    x = 229,355.01

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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.