Finding the Fourth Proportional to 343,398.96, 473,888.88 and 216,241.92
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Solution
The fourth proportional to 343,398.96, 473,888.88 and 216,241.92 is: 298,412.79
Step by Step Solution
- Step 1: Write the proportion equation
343,398.96 : 473,888.88 = 216,241.92 : x - Step 2: Convert to fraction form
343,398.96/473,888.88 = 216,241.92/x - Step 3: Cross multiply
343,398.96x = 473,888.88 × 216,241.92 - Step 4: Simplify right side
343,398.96x = 102,474,641,277.85 - Step 5: Solve for x
x = 102,474,641,277.85/343,398.96 - Step 6: Final answer
x = 298,412.79
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1.5x scale
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.