Finding the Fourth Proportional to 275,809.08, 380,657.70 and 168,440.88
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Solution
The fourth proportional to 275,809.08, 380,657.70 and 168,440.88 is: 232,473.56
Step by Step Solution
- Step 1: Write the proportion equation
275,809.08 : 380,657.70 = 168,440.88 : x - Step 2: Convert to fraction form
275,809.08/380,657.70 = 168,440.88/x - Step 3: Cross multiply
275,809.08x = 380,657.70 × 168,440.88 - Step 4: Simplify right side
275,809.08x = 64,118,317,966.78 - Step 5: Solve for x
x = 64,118,317,966.78/275,809.08 - Step 6: Final answer
x = 232,473.56
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1.5x scale
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.