Finding the Fourth Proportional to 268,808.93, 403,212.91 and 79,402.31
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Solution
The fourth proportional to 268,808.93, 403,212.91 and 79,402.31 is: 119,103.32
Step by Step Solution
- Step 1: Write the proportion equation
268,808.93 : 403,212.91 = 79,402.31 : x - Step 2: Convert to fraction form
268,808.93/403,212.91 = 79,402.31/x - Step 3: Cross multiply
268,808.93x = 403,212.91 × 79,402.31 - Step 4: Simplify right side
268,808.93x = 32,016,037,285.35 - Step 5: Solve for x
x = 32,016,037,285.35/268,808.93 - Step 6: Final answer
x = 119,103.32
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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.