Finding the Fourth Proportional to 495,979.92, 743,858.10 and 140,986.08
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Solution
The fourth proportional to 495,979.92, 743,858.10 and 140,986.08 is: 211,447.35
Step by Step Solution
- Step 1: Write the proportion equation
495,979.92 : 743,858.10 = 140,986.08 : x - Step 2: Convert to fraction form
495,979.92/743,858.10 = 140,986.08/x - Step 3: Cross multiply
495,979.92x = 743,858.10 × 140,986.08 - Step 4: Simplify right side
495,979.92x = 104,873,637,595.25 - Step 5: Solve for x
x = 104,873,637,595.25/495,979.92 - Step 6: Final answer
x = 211,447.35
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.