Finding the Fourth Proportional to 156,552.99, 216,043.77 and 84,933.54
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Solution
The fourth proportional to 156,552.99, 216,043.77 and 84,933.54 is: 117,208.63
Step by Step Solution
- Step 1: Write the proportion equation
156,552.99 : 216,043.77 = 84,933.54 : x - Step 2: Convert to fraction form
156,552.99/216,043.77 = 84,933.54/x - Step 3: Cross multiply
156,552.99x = 216,043.77 × 84,933.54 - Step 4: Simplify right side
156,552.99x = 18,349,362,181.05 - Step 5: Solve for x
x = 18,349,362,181.05/156,552.99 - Step 6: Final answer
x = 117,208.63
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1.5x scale
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.