Finding the Fourth Proportional to 374,968.14, 517,455.69 and 211,659.02
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Solution
The fourth proportional to 374,968.14, 517,455.69 and 211,659.02 is: 292,089.26
Step by Step Solution
- Step 1: Write the proportion equation
374,968.14 : 517,455.69 = 211,659.02 : x - Step 2: Convert to fraction form
374,968.14/517,455.69 = 211,659.02/x - Step 3: Cross multiply
374,968.14x = 517,455.69 × 211,659.02 - Step 4: Simplify right side
374,968.14x = 109,524,164,062.32 - Step 5: Solve for x
x = 109,524,164,062.32/374,968.14 - Step 6: Final answer
x = 292,089.26
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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.