Finding the Fourth Proportional to 415,842.16, 623,495.06 and 163,148.19
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Solution
The fourth proportional to 415,842.16, 623,495.06 and 163,148.19 is: 244,617.07
Step by Step Solution
- Step 1: Write the proportion equation
415,842.16 : 623,495.06 = 163,148.19 : x - Step 2: Convert to fraction form
415,842.16/623,495.06 = 163,148.19/x - Step 3: Cross multiply
415,842.16x = 623,495.06 × 163,148.19 - Step 4: Simplify right side
415,842.16x = 101,722,088,936.02 - Step 5: Solve for x
x = 101,722,088,936.02/415,842.16 - Step 6: Final answer
x = 244,617.07
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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.