Home / 646,269.36-969,417-172,953.96

Finding the Fourth Proportional to 646,269.36, 969,417 and 172,953.96

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Solution

The fourth proportional to 646,269.36, 969,417 and 172,953.96 is: 259,434.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,269.36 : 969,417 = 172,953.96 : x
  2. Step 2: Convert to fraction form
    646,269.36/969,417 = 172,953.96/x
  3. Step 3: Cross multiply
    646,269.36x = 969,417 × 172,953.96
  4. Step 4: Simplify right side
    646,269.36x = 167,664,509,041.32
  5. Step 5: Solve for x
    x = 167,664,509,041.32/646,269.36
  6. Step 6: Final answer
    x = 259,434.41

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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.