Finding the Fourth Proportional to 374,235.13, 516,444.70 and 202,153.10
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Solution
The fourth proportional to 374,235.13, 516,444.70 and 202,153.10 is: 278,971.40
Step by Step Solution
- Step 1: Write the proportion equation
374,235.13 : 516,444.70 = 202,153.10 : x - Step 2: Convert to fraction form
374,235.13/516,444.70 = 202,153.10/x - Step 3: Cross multiply
374,235.13x = 516,444.70 × 202,153.10 - Step 4: Simplify right side
374,235.13x = 104,400,897,083.57 - Step 5: Solve for x
x = 104,400,897,083.57/374,235.13 - Step 6: Final answer
x = 278,971.40
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1.5x scale
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.