Finding the Fourth Proportional to 279,827.74, 419,737.70 and 159,628.17
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Solution
The fourth proportional to 279,827.74, 419,737.70 and 159,628.17 is: 239,440.02
Step by Step Solution
- Step 1: Write the proportion equation
279,827.74 : 419,737.70 = 159,628.17 : x - Step 2: Convert to fraction form
279,827.74/419,737.70 = 159,628.17/x - Step 3: Cross multiply
279,827.74x = 419,737.70 × 159,628.17 - Step 4: Simplify right side
279,827.74x = 67,001,960,094.12 - Step 5: Solve for x
x = 67,001,960,094.12/279,827.74 - Step 6: Final answer
x = 239,440.02
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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.