Finding the Fourth Proportional to 374,163.61, 516,346.25 and 213,018.66
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Solution
The fourth proportional to 374,163.61, 516,346.25 and 213,018.66 is: 293,966.02
Step by Step Solution
- Step 1: Write the proportion equation
374,163.61 : 516,346.25 = 213,018.66 : x - Step 2: Convert to fraction form
374,163.61/516,346.25 = 213,018.66/x - Step 3: Cross multiply
374,163.61x = 516,346.25 × 213,018.66 - Step 4: Simplify right side
374,163.61x = 109,991,386,271.03 - Step 5: Solve for x
x = 109,991,386,271.03/374,163.61 - Step 6: Final answer
x = 293,966.02
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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.