Finding the Fourth Proportional to 407,885.18, 562,971.58 and 226,659.42
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Solution
The fourth proportional to 407,885.18, 562,971.58 and 226,659.42 is: 312,840.03
Step by Step Solution
- Step 1: Write the proportion equation
407,885.18 : 562,971.58 = 226,659.42 : x - Step 2: Convert to fraction form
407,885.18/562,971.58 = 226,659.42/x - Step 3: Cross multiply
407,885.18x = 562,971.58 × 226,659.42 - Step 4: Simplify right side
407,885.18x = 127,602,811,863.22 - Step 5: Solve for x
x = 127,602,811,863.22/407,885.18 - Step 6: Final answer
x = 312,840.03
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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.