Finding the Fourth Proportional to 74,269.08, 111,407.28 and 27,511.02
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Solution
The fourth proportional to 74,269.08, 111,407.28 and 27,511.02 is: 41,267.89
Step by Step Solution
- Step 1: Write the proportion equation
74,269.08 : 111,407.28 = 27,511.02 : x - Step 2: Convert to fraction form
74,269.08/111,407.28 = 27,511.02/x - Step 3: Cross multiply
74,269.08x = 111,407.28 × 27,511.02 - Step 4: Simplify right side
74,269.08x = 3,064,927,908.23 - Step 5: Solve for x
x = 3,064,927,908.23/74,269.08 - Step 6: Final answer
x = 41,267.89
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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.