Finding the Fourth Proportional to 329,809.98, 455,137.92 and 186,566.98
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Solution
The fourth proportional to 329,809.98, 455,137.92 and 186,566.98 is: 257,462.52
Step by Step Solution
- Step 1: Write the proportion equation
329,809.98 : 455,137.92 = 186,566.98 : x - Step 2: Convert to fraction form
329,809.98/455,137.92 = 186,566.98/x - Step 3: Cross multiply
329,809.98x = 455,137.92 × 186,566.98 - Step 4: Simplify right side
329,809.98x = 84,913,707,217.88 - Step 5: Solve for x
x = 84,913,707,217.88/329,809.98 - Step 6: Final answer
x = 257,462.52
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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.