Finding the Fourth Proportional to 247,166.17, 370,615.91 and 133,374.94
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Solution
The fourth proportional to 247,166.17, 370,615.91 and 133,374.94 is: 199,990.45
Step by Step Solution
- Step 1: Write the proportion equation
247,166.17 : 370,615.91 = 133,374.94 : x - Step 2: Convert to fraction form
247,166.17/370,615.91 = 133,374.94/x - Step 3: Cross multiply
247,166.17x = 370,615.91 × 133,374.94 - Step 4: Simplify right side
247,166.17x = 49,430,873,165.88 - Step 5: Solve for x
x = 49,430,873,165.88/247,166.17 - Step 6: Final answer
x = 199,990.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.