Finding the Fourth Proportional to 717,155.16, 1,075,481.97 and 211,581.91
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Solution
The fourth proportional to 717,155.16, 1,075,481.97 and 211,581.91 is: 317,298.88
Step by Step Solution
- Step 1: Write the proportion equation
717,155.16 : 1,075,481.97 = 211,581.91 : x - Step 2: Convert to fraction form
717,155.16/1,075,481.97 = 211,581.91/x - Step 3: Cross multiply
717,155.16x = 1,075,481.97 × 211,581.91 - Step 4: Simplify right side
717,155.16x = 227,552,529,383.16 - Step 5: Solve for x
x = 227,552,529,383.16/717,155.16 - Step 6: Final answer
x = 317,298.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.