Finding the Fourth Proportional to 374,203.68, 516,419.81 and 228,964.02
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Solution
The fourth proportional to 374,203.68, 516,419.81 and 228,964.02 is: 315,981.81
Step by Step Solution
- Step 1: Write the proportion equation
374,203.68 : 516,419.81 = 228,964.02 : x - Step 2: Convert to fraction form
374,203.68/516,419.81 = 228,964.02/x - Step 3: Cross multiply
374,203.68x = 516,419.81 × 228,964.02 - Step 4: Simplify right side
374,203.68x = 118,241,555,705.24 - Step 5: Solve for x
x = 118,241,555,705.24/374,203.68 - Step 6: Final answer
x = 315,981.81
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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.