Finding the Fourth Proportional to 374,885.70, 517,341.12 and 202,803.62
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Solution
The fourth proportional to 374,885.70, 517,341.12 and 202,803.62 is: 279,868.37
Step by Step Solution
- Step 1: Write the proportion equation
374,885.70 : 517,341.12 = 202,803.62 : x - Step 2: Convert to fraction form
374,885.70/517,341.12 = 202,803.62/x - Step 3: Cross multiply
374,885.70x = 517,341.12 × 202,803.62 - Step 4: Simplify right side
374,885.70x = 104,918,649,324.15 - Step 5: Solve for x
x = 104,918,649,324.15/374,885.70 - Step 6: Final answer
x = 279,868.37
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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.