Finding the Fourth Proportional to 229,671.96, 317,035.95 and 153,163.41
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Solution
The fourth proportional to 229,671.96, 317,035.95 and 153,163.41 is: 211,424.62
Step by Step Solution
- Step 1: Write the proportion equation
229,671.96 : 317,035.95 = 153,163.41 : x - Step 2: Convert to fraction form
229,671.96/317,035.95 = 153,163.41/x - Step 3: Cross multiply
229,671.96x = 317,035.95 × 153,163.41 - Step 4: Simplify right side
229,671.96x = 48,558,307,194.59 - Step 5: Solve for x
x = 48,558,307,194.59/229,671.96 - Step 6: Final answer
x = 211,424.62
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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.