Finding the Fourth Proportional to 329,813.98, 455,143.44 and 186,570.97
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Solution
The fourth proportional to 329,813.98, 455,143.44 and 186,570.97 is: 257,468.02
Step by Step Solution
- Step 1: Write the proportion equation
329,813.98 : 455,143.44 = 186,570.97 : x - Step 2: Convert to fraction form
329,813.98/455,143.44 = 186,570.97/x - Step 3: Cross multiply
329,813.98x = 455,143.44 × 186,570.97 - Step 4: Simplify right side
329,813.98x = 84,916,553,089.94 - Step 5: Solve for x
x = 84,916,553,089.94/329,813.98 - Step 6: Final answer
x = 257,468.02
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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.