Finding the Fourth Proportional to 313,596.15, 432,746.31 and 170,355.75
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Solution
The fourth proportional to 313,596.15, 432,746.31 and 170,355.75 is: 235,082.04
Step by Step Solution
- Step 1: Write the proportion equation
313,596.15 : 432,746.31 = 170,355.75 : x - Step 2: Convert to fraction form
313,596.15/432,746.31 = 170,355.75/x - Step 3: Cross multiply
313,596.15x = 432,746.31 × 170,355.75 - Step 4: Simplify right side
313,596.15x = 73,720,822,199.78 - Step 5: Solve for x
x = 73,720,822,199.78/313,596.15 - Step 6: Final answer
x = 235,082.04
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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.