Finding the Fourth Proportional to 409,699.48, 565,390.28 and 237,657.28
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Solution
The fourth proportional to 409,699.48, 565,390.28 and 237,657.28 is: 327,969.95
Step by Step Solution
- Step 1: Write the proportion equation
409,699.48 : 565,390.28 = 237,657.28 : x - Step 2: Convert to fraction form
409,699.48/565,390.28 = 237,657.28/x - Step 3: Cross multiply
409,699.48x = 565,390.28 × 237,657.28 - Step 4: Simplify right side
409,699.48x = 134,369,116,083.24 - Step 5: Solve for x
x = 134,369,116,083.24/409,699.48 - Step 6: Final answer
x = 327,969.95
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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.