Finding the Fourth Proportional to 372,705.20, 514,330.99 and 202,938.92
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Solution
The fourth proportional to 372,705.20, 514,330.99 and 202,938.92 is: 280,054.51
Step by Step Solution
- Step 1: Write the proportion equation
372,705.20 : 514,330.99 = 202,938.92 : x - Step 2: Convert to fraction form
372,705.20/514,330.99 = 202,938.92/x - Step 3: Cross multiply
372,705.20x = 514,330.99 × 202,938.92 - Step 4: Simplify right side
372,705.20x = 104,377,772,554.13 - Step 5: Solve for x
x = 104,377,772,554.13/372,705.20 - Step 6: Final answer
x = 280,054.51
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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.