Finding the Fourth Proportional to 163,646.70, 245,124.45 and 135,998.70
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Solution
The fourth proportional to 163,646.70, 245,124.45 and 135,998.70 is: 203,710.84
Step by Step Solution
- Step 1: Write the proportion equation
163,646.70 : 245,124.45 = 135,998.70 : x - Step 2: Convert to fraction form
163,646.70/245,124.45 = 135,998.70/x - Step 3: Cross multiply
163,646.70x = 245,124.45 × 135,998.70 - Step 4: Simplify right side
163,646.70x = 33,336,606,538.22 - Step 5: Solve for x
x = 33,336,606,538.22/163,646.70 - Step 6: Final answer
x = 203,710.84
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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.