Finding the Fourth Proportional to 315,465.84, 473,082.60 and 248,129.28
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Solution
The fourth proportional to 315,465.84, 473,082.60 and 248,129.28 is: 372,102.55
Step by Step Solution
- Step 1: Write the proportion equation
315,465.84 : 473,082.60 = 248,129.28 : x - Step 2: Convert to fraction form
315,465.84/473,082.60 = 248,129.28/x - Step 3: Cross multiply
315,465.84x = 473,082.60 × 248,129.28 - Step 4: Simplify right side
315,465.84x = 117,385,644,918.53 - Step 5: Solve for x
x = 117,385,644,918.53/315,465.84 - Step 6: Final answer
x = 372,102.55
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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.