Finding the Fourth Proportional to 266,963.76, 368,373.60 and 159,511.08
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Solution
The fourth proportional to 266,963.76, 368,373.60 and 159,511.08 is: 220,103.55
Step by Step Solution
- Step 1: Write the proportion equation
266,963.76 : 368,373.60 = 159,511.08 : x - Step 2: Convert to fraction form
266,963.76/368,373.60 = 159,511.08/x - Step 3: Cross multiply
266,963.76x = 368,373.60 × 159,511.08 - Step 4: Simplify right side
266,963.76x = 58,759,670,779.49 - Step 5: Solve for x
x = 58,759,670,779.49/266,963.76 - Step 6: Final answer
x = 220,103.55
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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.