Finding the Fourth Proportional to 276,904.14, 415,356.17 and 66,542.08
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Solution
The fourth proportional to 276,904.14, 415,356.17 and 66,542.08 is: 99,813.11
Step by Step Solution
- Step 1: Write the proportion equation
276,904.14 : 415,356.17 = 66,542.08 : x - Step 2: Convert to fraction form
276,904.14/415,356.17 = 66,542.08/x - Step 3: Cross multiply
276,904.14x = 415,356.17 × 66,542.08 - Step 4: Simplify right side
276,904.14x = 27,638,663,679.12 - Step 5: Solve for x
x = 27,638,663,679.12/276,904.14 - Step 6: Final answer
x = 99,813.11
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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.