Finding the Fourth Proportional to 156,092.99, 215,409.01 and 84,473.02
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Solution
The fourth proportional to 156,092.99, 215,409.01 and 84,473.02 is: 116,573.14
Step by Step Solution
- Step 1: Write the proportion equation
156,092.99 : 215,409.01 = 84,473.02 : x - Step 2: Convert to fraction form
156,092.99/215,409.01 = 84,473.02/x - Step 3: Cross multiply
156,092.99x = 215,409.01 × 84,473.02 - Step 4: Simplify right side
156,092.99x = 18,196,249,826.38 - Step 5: Solve for x
x = 18,196,249,826.38/156,092.99 - Step 6: Final answer
x = 116,573.14
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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.