Finding the Fourth Proportional to 374,740.48, 517,128.88 and 213,647.42
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Solution
The fourth proportional to 374,740.48, 517,128.88 and 213,647.42 is: 294,826.04
Step by Step Solution
- Step 1: Write the proportion equation
374,740.48 : 517,128.88 = 213,647.42 : x - Step 2: Convert to fraction form
374,740.48/517,128.88 = 213,647.42/x - Step 3: Cross multiply
374,740.48x = 517,128.88 × 213,647.42 - Step 4: Simplify right side
374,740.48x = 110,483,251,019.49 - Step 5: Solve for x
x = 110,483,251,019.49/374,740.48 - Step 6: Final answer
x = 294,826.04
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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.