Finding the Fourth Proportional to 646,971.48, 970,631.94 and 197,680.08
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Solution
The fourth proportional to 646,971.48, 970,631.94 and 197,680.08 is: 296,573.51
Step by Step Solution
- Step 1: Write the proportion equation
646,971.48 : 970,631.94 = 197,680.08 : x - Step 2: Convert to fraction form
646,971.48/970,631.94 = 197,680.08/x - Step 3: Cross multiply
646,971.48x = 970,631.94 × 197,680.08 - Step 4: Simplify right side
646,971.48x = 191,874,599,549.76 - Step 5: Solve for x
x = 191,874,599,549.76/646,971.48 - Step 6: Final answer
x = 296,573.51
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.