Finding the Fourth Proportional to 338,512.95, 467,335.05 and 302,616.99
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Solution
The fourth proportional to 338,512.95, 467,335.05 and 302,616.99 is: 417,778.78
Step by Step Solution
- Step 1: Write the proportion equation
338,512.95 : 467,335.05 = 302,616.99 : x - Step 2: Convert to fraction form
338,512.95/467,335.05 = 302,616.99/x - Step 3: Cross multiply
338,512.95x = 467,335.05 × 302,616.99 - Step 4: Simplify right side
338,512.95x = 141,423,526,152.50 - Step 5: Solve for x
x = 141,423,526,152.50/338,512.95 - Step 6: Final answer
x = 417,778.78
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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.