Finding the Fourth Proportional to 363,857.02, 502,331.08 and 243,202.66
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Solution
The fourth proportional to 363,857.02, 502,331.08 and 243,202.66 is: 335,758.96
Step by Step Solution
- Step 1: Write the proportion equation
363,857.02 : 502,331.08 = 243,202.66 : x - Step 2: Convert to fraction form
363,857.02/502,331.08 = 243,202.66/x - Step 3: Cross multiply
363,857.02x = 502,331.08 × 243,202.66 - Step 4: Simplify right side
363,857.02x = 122,168,254,856.67 - Step 5: Solve for x
x = 122,168,254,856.67/363,857.02 - Step 6: Final answer
x = 335,758.96
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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.