Finding the Fourth Proportional to 266,778.97, 368,166.77 and 153,638.17
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Solution
The fourth proportional to 266,778.97, 368,166.77 and 153,638.17 is: 212,027.46
Step by Step Solution
- Step 1: Write the proportion equation
266,778.97 : 368,166.77 = 153,638.17 : x - Step 2: Convert to fraction form
266,778.97/368,166.77 = 153,638.17/x - Step 3: Cross multiply
266,778.97x = 368,166.77 × 153,638.17 - Step 4: Simplify right side
266,778.97x = 56,564,467,685.15 - Step 5: Solve for x
x = 56,564,467,685.15/266,778.97 - Step 6: Final answer
x = 212,027.46
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.