Finding the Fourth Proportional to 163,445.04, 245,656.80 and 135,548.64
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Solution
The fourth proportional to 163,445.04, 245,656.80 and 135,548.64 is: 203,728.70
Step by Step Solution
- Step 1: Write the proportion equation
163,445.04 : 245,656.80 = 135,548.64 : x - Step 2: Convert to fraction form
163,445.04/245,656.80 = 135,548.64/x - Step 3: Cross multiply
163,445.04x = 245,656.80 × 135,548.64 - Step 4: Simplify right side
163,445.04x = 33,298,445,146.75 - Step 5: Solve for x
x = 33,298,445,146.75/163,445.04 - Step 6: Final answer
x = 203,728.70
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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.