Finding the Fourth Proportional to 401,182.70, 553,688.88 and 248,270.14
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Solution
The fourth proportional to 401,182.70, 553,688.88 and 248,270.14 is: 342,647.92
Step by Step Solution
- Step 1: Write the proportion equation
401,182.70 : 553,688.88 = 248,270.14 : x - Step 2: Convert to fraction form
401,182.70/553,688.88 = 248,270.14/x - Step 3: Cross multiply
401,182.70x = 553,688.88 × 248,270.14 - Step 4: Simplify right side
401,182.70x = 137,464,415,754.04 - Step 5: Solve for x
x = 137,464,415,754.04/401,182.70 - Step 6: Final answer
x = 342,647.92
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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.