Finding the Fourth Proportional to 313,277.96, 432,324.08 and 170,038.07
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Solution
The fourth proportional to 313,277.96, 432,324.08 and 170,038.07 is: 234,652.80
Step by Step Solution
- Step 1: Write the proportion equation
313,277.96 : 432,324.08 = 170,038.07 : x - Step 2: Convert to fraction form
313,277.96/432,324.08 = 170,038.07/x - Step 3: Cross multiply
313,277.96x = 432,324.08 × 170,038.07 - Step 4: Simplify right side
313,277.96x = 73,511,550,441.20 - Step 5: Solve for x
x = 73,511,550,441.20/313,277.96 - Step 6: Final answer
x = 234,652.80
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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.