Finding the Fourth Proportional to 660,049.84, 910,868.70 and 358,243.84
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Solution
The fourth proportional to 660,049.84, 910,868.70 and 358,243.84 is: 494,376.46
Step by Step Solution
- Step 1: Write the proportion equation
660,049.84 : 910,868.70 = 358,243.84 : x - Step 2: Convert to fraction form
660,049.84/910,868.70 = 358,243.84/x - Step 3: Cross multiply
660,049.84x = 910,868.70 × 358,243.84 - Step 4: Simplify right side
660,049.84x = 326,313,100,823.81 - Step 5: Solve for x
x = 326,313,100,823.81/660,049.84 - Step 6: Final answer
x = 494,376.46
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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.