Finding the Fourth Proportional to 607,163.66, 910,718.48 and 207,840.14
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Solution
The fourth proportional to 607,163.66, 910,718.48 and 207,840.14 is: 311,750.96
Step by Step Solution
- Step 1: Write the proportion equation
607,163.66 : 910,718.48 = 207,840.14 : x - Step 2: Convert to fraction form
607,163.66/910,718.48 = 207,840.14/x - Step 3: Cross multiply
607,163.66x = 910,718.48 × 207,840.14 - Step 4: Simplify right side
607,163.66x = 189,283,856,383.79 - Step 5: Solve for x
x = 189,283,856,383.79/607,163.66 - Step 6: Final answer
x = 311,750.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.