Finding the Fourth Proportional to 459,438.69, 633,932.48 and 268,415.18
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Solution
The fourth proportional to 459,438.69, 633,932.48 and 268,415.18 is: 370,358.66
Step by Step Solution
- Step 1: Write the proportion equation
459,438.69 : 633,932.48 = 268,415.18 : x - Step 2: Convert to fraction form
459,438.69/633,932.48 = 268,415.18/x - Step 3: Cross multiply
459,438.69x = 633,932.48 × 268,415.18 - Step 4: Simplify right side
459,438.69x = 170,157,098,228.42 - Step 5: Solve for x
x = 170,157,098,228.42/459,438.69 - Step 6: Final answer
x = 370,358.66
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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.