Home / 646,128.93-969,193.17-172,802.00

Finding the Fourth Proportional to 646,128.93, 969,193.17 and 172,802.00

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Solution

The fourth proportional to 646,128.93, 969,193.17 and 172,802.00 is: 259,202.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,128.93 : 969,193.17 = 172,802.00 : x
  2. Step 2: Convert to fraction form
    646,128.93/969,193.17 = 172,802.00/x
  3. Step 3: Cross multiply
    646,128.93x = 969,193.17 × 172,802.00
  4. Step 4: Simplify right side
    646,128.93x = 167,478,513,316.37
  5. Step 5: Solve for x
    x = 167,478,513,316.37/646,128.93
  6. Step 6: Final answer
    x = 259,202.93

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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.