Finding the Fourth Proportional to 564,313.11, 778,750.43 and 306,188.97
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Solution
The fourth proportional to 564,313.11, 778,750.43 and 306,188.97 is: 422,539.88
Step by Step Solution
- Step 1: Write the proportion equation
564,313.11 : 778,750.43 = 306,188.97 : x - Step 2: Convert to fraction form
564,313.11/778,750.43 = 306,188.97/x - Step 3: Cross multiply
564,313.11x = 778,750.43 × 306,188.97 - Step 4: Simplify right side
564,313.11x = 238,444,792,048.76 - Step 5: Solve for x
x = 238,444,792,048.76/564,313.11 - Step 6: Final answer
x = 422,539.88
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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.