Finding the Fourth Proportional to 146,316.08, 201,917.16 and 79,248.08
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Solution
The fourth proportional to 146,316.08, 201,917.16 and 79,248.08 is: 109,362.88
Step by Step Solution
- Step 1: Write the proportion equation
146,316.08 : 201,917.16 = 79,248.08 : x - Step 2: Convert to fraction form
146,316.08/201,917.16 = 79,248.08/x - Step 3: Cross multiply
146,316.08x = 201,917.16 × 79,248.08 - Step 4: Simplify right side
146,316.08x = 16,001,547,249.05 - Step 5: Solve for x
x = 16,001,547,249.05/146,316.08 - Step 6: Final answer
x = 109,362.88
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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.