Finding the Fourth Proportional to 170,809.05, 256,108.43 and 117,565.63
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Solution
The fourth proportional to 170,809.05, 256,108.43 and 117,565.63 is: 176,276.07
Step by Step Solution
- Step 1: Write the proportion equation
170,809.05 : 256,108.43 = 117,565.63 : x - Step 2: Convert to fraction form
170,809.05/256,108.43 = 117,565.63/x - Step 3: Cross multiply
170,809.05x = 256,108.43 × 117,565.63 - Step 4: Simplify right side
170,809.05x = 30,109,548,574.90 - Step 5: Solve for x
x = 30,109,548,574.90/170,809.05 - Step 6: Final answer
x = 176,276.07
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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.