Home / 489,816.47-735,005.03-190,258.29

Finding the Fourth Proportional to 489,816.47, 735,005.03 and 190,258.29

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Solution

The fourth proportional to 489,816.47, 735,005.03 and 190,258.29 is: 285,496.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,816.47 : 735,005.03 = 190,258.29 : x
  2. Step 2: Convert to fraction form
    489,816.47/735,005.03 = 190,258.29/x
  3. Step 3: Cross multiply
    489,816.47x = 735,005.03 × 190,258.29
  4. Step 4: Simplify right side
    489,816.47x = 139,840,799,197.91
  5. Step 5: Solve for x
    x = 139,840,799,197.91/489,816.47
  6. Step 6: Final answer
    x = 285,496.32

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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.