Finding the Fourth Proportional to 374,118.48, 516,119.11 and 228,931.18
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Solution
The fourth proportional to 374,118.48, 516,119.11 and 228,931.18 is: 315,824.43
Step by Step Solution
- Step 1: Write the proportion equation
374,118.48 : 516,119.11 = 228,931.18 : x - Step 2: Convert to fraction form
374,118.48/516,119.11 = 228,931.18/x - Step 3: Cross multiply
374,118.48x = 516,119.11 × 228,931.18 - Step 4: Simplify right side
374,118.48x = 118,155,755,010.22 - Step 5: Solve for x
x = 118,155,755,010.22/374,118.48 - Step 6: Final answer
x = 315,824.43
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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.