Home / 489,942.36-735,018.59-170,104.34

Finding the Fourth Proportional to 489,942.36, 735,018.59 and 170,104.34

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Solution

The fourth proportional to 489,942.36, 735,018.59 and 170,104.34 is: 255,192.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,942.36 : 735,018.59 = 170,104.34 : x
  2. Step 2: Convert to fraction form
    489,942.36/735,018.59 = 170,104.34/x
  3. Step 3: Cross multiply
    489,942.36x = 735,018.59 × 170,104.34
  4. Step 4: Simplify right side
    489,942.36x = 125,029,852,139.68
  5. Step 5: Solve for x
    x = 125,029,852,139.68/489,942.36
  6. Step 6: Final answer
    x = 255,192.98

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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.