Finding the Fourth Proportional to 357,126.63, 492,840.74 and 195,996.68
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Solution
The fourth proportional to 357,126.63, 492,840.74 and 195,996.68 is: 270,478.71
Step by Step Solution
- Step 1: Write the proportion equation
357,126.63 : 492,840.74 = 195,996.68 : x - Step 2: Convert to fraction form
357,126.63/492,840.74 = 195,996.68/x - Step 3: Cross multiply
357,126.63x = 492,840.74 × 195,996.68 - Step 4: Simplify right side
357,126.63x = 96,595,148,808.74 - Step 5: Solve for x
x = 96,595,148,808.74/357,126.63 - Step 6: Final answer
x = 270,478.71
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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.