Finding the Fourth Proportional to 457,636.94, 631,508.91 and 256,394.06
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Solution
The fourth proportional to 457,636.94, 631,508.91 and 256,394.06 is: 353,806.96
Step by Step Solution
- Step 1: Write the proportion equation
457,636.94 : 631,508.91 = 256,394.06 : x - Step 2: Convert to fraction form
457,636.94/631,508.91 = 256,394.06/x - Step 3: Cross multiply
457,636.94x = 631,508.91 × 256,394.06 - Step 4: Simplify right side
457,636.94x = 161,915,133,361.08 - Step 5: Solve for x
x = 161,915,133,361.08/457,636.94 - Step 6: Final answer
x = 353,806.96
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.