Finding the Fourth Proportional to 363,823.80, 502,113.80 and 202,705.08
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Solution
The fourth proportional to 363,823.80, 502,113.80 and 202,705.08 is: 279,753.60
Step by Step Solution
- Step 1: Write the proportion equation
363,823.80 : 502,113.80 = 202,705.08 : x - Step 2: Convert to fraction form
363,823.80/502,113.80 = 202,705.08/x - Step 3: Cross multiply
363,823.80x = 502,113.80 × 202,705.08 - Step 4: Simplify right side
363,823.80x = 101,781,017,998.10 - Step 5: Solve for x
x = 101,781,017,998.10/363,823.80 - Step 6: Final answer
x = 279,753.60
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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.