Finding the Fourth Proportional to 372,587.96, 514,174.56 and 202,821.68
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Solution
The fourth proportional to 372,587.96, 514,174.56 and 202,821.68 is: 279,895.65
Step by Step Solution
- Step 1: Write the proportion equation
372,587.96 : 514,174.56 = 202,821.68 : x - Step 2: Convert to fraction form
372,587.96/514,174.56 = 202,821.68/x - Step 3: Cross multiply
372,587.96x = 514,174.56 × 202,821.68 - Step 4: Simplify right side
372,587.96x = 104,285,748,072.46 - Step 5: Solve for x
x = 104,285,748,072.46/372,587.96 - Step 6: Final answer
x = 279,895.65
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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.