Finding the Fourth Proportional to 357,126.84, 492,838.74 and 195,992.28
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Solution
The fourth proportional to 357,126.84, 492,838.74 and 195,992.28 is: 270,471.38
Step by Step Solution
- Step 1: Write the proportion equation
357,126.84 : 492,838.74 = 195,992.28 : x - Step 2: Convert to fraction form
357,126.84/492,838.74 = 195,992.28/x - Step 3: Cross multiply
357,126.84x = 492,838.74 × 195,992.28 - Step 4: Simplify right side
357,126.84x = 96,592,588,324.93 - Step 5: Solve for x
x = 96,592,588,324.93/357,126.84 - Step 6: Final answer
x = 270,471.38
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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.