Finding the Fourth Proportional to 442,638.32, 610,888.18 and 270,657.08
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Solution
The fourth proportional to 442,638.32, 610,888.18 and 270,657.08 is: 373,535.69
Step by Step Solution
- Step 1: Write the proportion equation
442,638.32 : 610,888.18 = 270,657.08 : x - Step 2: Convert to fraction form
442,638.32/610,888.18 = 270,657.08/x - Step 3: Cross multiply
442,638.32x = 610,888.18 × 270,657.08 - Step 4: Simplify right side
442,638.32x = 165,341,211,005.31 - Step 5: Solve for x
x = 165,341,211,005.31/442,638.32 - Step 6: Final answer
x = 373,535.69
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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.