Finding the Fourth Proportional to 338,478.79, 467,152.17 and 216,024.00
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Solution
The fourth proportional to 338,478.79, 467,152.17 and 216,024.00 is: 298,145.95
Step by Step Solution
- Step 1: Write the proportion equation
338,478.79 : 467,152.17 = 216,024.00 : x - Step 2: Convert to fraction form
338,478.79/467,152.17 = 216,024.00/x - Step 3: Cross multiply
338,478.79x = 467,152.17 × 216,024.00 - Step 4: Simplify right side
338,478.79x = 100,916,080,616.36 - Step 5: Solve for x
x = 100,916,080,616.36/338,478.79 - Step 6: Final answer
x = 298,145.95
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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.