Finding the Fourth Proportional to 563,238.60, 777,270.99 and 305,118.19
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Solution
The fourth proportional to 563,238.60, 777,270.99 and 305,118.19 is: 421,064.04
Step by Step Solution
- Step 1: Write the proportion equation
563,238.60 : 777,270.99 = 305,118.19 : x - Step 2: Convert to fraction form
563,238.60/777,270.99 = 305,118.19/x - Step 3: Cross multiply
563,238.60x = 777,270.99 × 305,118.19 - Step 4: Simplify right side
563,238.60x = 237,159,517,608.31 - Step 5: Solve for x
x = 237,159,517,608.31/563,238.60 - Step 6: Final answer
x = 421,064.04
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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.