Finding the Fourth Proportional to 276,269.54, 415,184.34 and 163,970.74
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Solution
The fourth proportional to 276,269.54, 415,184.34 and 163,970.74 is: 246,419.07
Step by Step Solution
- Step 1: Write the proportion equation
276,269.54 : 415,184.34 = 163,970.74 : x - Step 2: Convert to fraction form
276,269.54/415,184.34 = 163,970.74/x - Step 3: Cross multiply
276,269.54x = 415,184.34 × 163,970.74 - Step 4: Simplify right side
276,269.54x = 68,078,083,466.21 - Step 5: Solve for x
x = 68,078,083,466.21/276,269.54 - Step 6: Final answer
x = 246,419.07
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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.