Finding the Fourth Proportional to 398,478.24, 597,823.20 and 161,691.84
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Solution
The fourth proportional to 398,478.24, 597,823.20 and 161,691.84 is: 242,580.71
Step by Step Solution
- Step 1: Write the proportion equation
398,478.24 : 597,823.20 = 161,691.84 : x - Step 2: Convert to fraction form
398,478.24/597,823.20 = 161,691.84/x - Step 3: Cross multiply
398,478.24x = 597,823.20 × 161,691.84 - Step 4: Simplify right side
398,478.24x = 96,663,133,202.69 - Step 5: Solve for x
x = 96,663,133,202.69/398,478.24 - Step 6: Final answer
x = 242,580.71
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.