Finding the Fourth Proportional to 372,193.04, 513,611.64 and 202,427.12
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Solution
The fourth proportional to 372,193.04, 513,611.64 and 202,427.12 is: 279,341.40
Step by Step Solution
- Step 1: Write the proportion equation
372,193.04 : 513,611.64 = 202,427.12 : x - Step 2: Convert to fraction form
372,193.04/513,611.64 = 202,427.12/x - Step 3: Cross multiply
372,193.04x = 513,611.64 × 202,427.12 - Step 4: Simplify right side
372,193.04x = 103,968,925,083.68 - Step 5: Solve for x
x = 103,968,925,083.68/372,193.04 - Step 6: Final answer
x = 279,341.40
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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.