Finding the Fourth Proportional to 374,791.23, 517,210.35 and 202,709.39
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Solution
The fourth proportional to 374,791.23, 517,210.35 and 202,709.39 is: 279,738.11
Step by Step Solution
- Step 1: Write the proportion equation
374,791.23 : 517,210.35 = 202,709.39 : x - Step 2: Convert to fraction form
374,791.23/517,210.35 = 202,709.39/x - Step 3: Cross multiply
374,791.23x = 517,210.35 × 202,709.39 - Step 4: Simplify right side
374,791.23x = 104,843,391,964.14 - Step 5: Solve for x
x = 104,843,391,964.14/374,791.23 - Step 6: Final answer
x = 279,738.11
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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.