Finding the Fourth Proportional to 329,965.52, 455,352.18 and 186,722.96
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Solution
The fourth proportional to 329,965.52, 455,352.18 and 186,722.96 is: 257,677.55
Step by Step Solution
- Step 1: Write the proportion equation
329,965.52 : 455,352.18 = 186,722.96 : x - Step 2: Convert to fraction form
329,965.52/455,352.18 = 186,722.96/x - Step 3: Cross multiply
329,965.52x = 455,352.18 × 186,722.96 - Step 4: Simplify right side
329,965.52x = 85,024,706,892.05 - Step 5: Solve for x
x = 85,024,706,892.05/329,965.52 - Step 6: Final answer
x = 257,677.55
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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.