Finding the Fourth Proportional to 370,740.68, 511,639.20 and 209,602.52
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Solution
The fourth proportional to 370,740.68, 511,639.20 and 209,602.52 is: 289,261.12
Step by Step Solution
- Step 1: Write the proportion equation
370,740.68 : 511,639.20 = 209,602.52 : x - Step 2: Convert to fraction form
370,740.68/511,639.20 = 209,602.52/x - Step 3: Cross multiply
370,740.68x = 511,639.20 × 209,602.52 - Step 4: Simplify right side
370,740.68x = 107,240,865,650.78 - Step 5: Solve for x
x = 107,240,865,650.78/370,740.68 - Step 6: Final answer
x = 289,261.12
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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.