Finding the Fourth Proportional to 163,778.76, 245,274.44 and 93,444.84
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Solution
The fourth proportional to 163,778.76, 245,274.44 and 93,444.84 is: 139,942.63
Step by Step Solution
- Step 1: Write the proportion equation
163,778.76 : 245,274.44 = 93,444.84 : x - Step 2: Convert to fraction form
163,778.76/245,274.44 = 93,444.84/x - Step 3: Cross multiply
163,778.76x = 245,274.44 × 93,444.84 - Step 4: Simplify right side
163,778.76x = 22,919,630,801.89 - Step 5: Solve for x
x = 22,919,630,801.89/163,778.76 - Step 6: Final answer
x = 139,942.63
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1.5x scale
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.