Finding the Fourth Proportional to 450,991.11, 622,377.79 and 257,394.94
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Solution
The fourth proportional to 450,991.11, 622,377.79 and 257,394.94 is: 355,210.75
Step by Step Solution
- Step 1: Write the proportion equation
450,991.11 : 622,377.79 = 257,394.94 : x - Step 2: Convert to fraction form
450,991.11/622,377.79 = 257,394.94/x - Step 3: Cross multiply
450,991.11x = 622,377.79 × 257,394.94 - Step 4: Simplify right side
450,991.11x = 160,196,890,802.49 - Step 5: Solve for x
x = 160,196,890,802.49/450,991.11 - Step 6: Final answer
x = 355,210.75
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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.