Finding the Fourth Proportional to 151,692.08, 209,293.08 and 97,979.36
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Solution
The fourth proportional to 151,692.08, 209,293.08 and 97,979.36 is: 135,184.39
Step by Step Solution
- Step 1: Write the proportion equation
151,692.08 : 209,293.08 = 97,979.36 : x - Step 2: Convert to fraction form
151,692.08/209,293.08 = 97,979.36/x - Step 3: Cross multiply
151,692.08x = 209,293.08 × 97,979.36 - Step 4: Simplify right side
151,692.08x = 20,506,402,030.83 - Step 5: Solve for x
x = 20,506,402,030.83/151,692.08 - Step 6: Final answer
x = 135,184.39
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.