Finding the Fourth Proportional to 163,823.19, 245,734.88 and 45,494.53
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Solution
The fourth proportional to 163,823.19, 245,734.88 and 45,494.53 is: 68,241.82
Step by Step Solution
- Step 1: Write the proportion equation
163,823.19 : 245,734.88 = 45,494.53 : x - Step 2: Convert to fraction form
163,823.19/245,734.88 = 45,494.53/x - Step 3: Cross multiply
163,823.19x = 245,734.88 × 45,494.53 - Step 4: Simplify right side
163,823.19x = 11,179,592,870.21 - Step 5: Solve for x
x = 11,179,592,870.21/163,823.19 - Step 6: Final answer
x = 68,241.82
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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.