Finding the Fourth Proportional to 145,274.67, 217,999.49 and 56,569.95
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Solution
The fourth proportional to 145,274.67, 217,999.49 and 56,569.95 is: 84,888.99
Step by Step Solution
- Step 1: Write the proportion equation
145,274.67 : 217,999.49 = 56,569.95 : x - Step 2: Convert to fraction form
145,274.67/217,999.49 = 56,569.95/x - Step 3: Cross multiply
145,274.67x = 217,999.49 × 56,569.95 - Step 4: Simplify right side
145,274.67x = 12,332,219,966.48 - Step 5: Solve for x
x = 12,332,219,966.48/145,274.67 - Step 6: Final answer
x = 84,888.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.