Finding the Fourth Proportional to 246,518.40, 369,772.98 and 78,048.84
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Solution
The fourth proportional to 246,518.40, 369,772.98 and 78,048.84 is: 117,071.80
Step by Step Solution
- Step 1: Write the proportion equation
246,518.40 : 369,772.98 = 78,048.84 : x - Step 2: Convert to fraction form
246,518.40/369,772.98 = 78,048.84/x - Step 3: Cross multiply
246,518.40x = 369,772.98 × 78,048.84 - Step 4: Simplify right side
246,518.40x = 28,860,353,246.31 - Step 5: Solve for x
x = 28,860,353,246.31/246,518.40 - Step 6: Final answer
x = 117,071.80
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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.