Finding the Fourth Proportional to 327,981.70, 492,058.95 and 117,597.70
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Solution
The fourth proportional to 327,981.70, 492,058.95 and 117,597.70 is: 176,427.53
Step by Step Solution
- Step 1: Write the proportion equation
327,981.70 : 492,058.95 = 117,597.70 : x - Step 2: Convert to fraction form
327,981.70/492,058.95 = 117,597.70/x - Step 3: Cross multiply
327,981.70x = 492,058.95 × 117,597.70 - Step 4: Simplify right side
327,981.70x = 57,865,000,784.42 - Step 5: Solve for x
x = 57,865,000,784.42/327,981.70 - Step 6: Final answer
x = 176,427.53
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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.