Finding the Fourth Proportional to 179,133.53, 247,159.55 and 115,394.63
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Solution
The fourth proportional to 179,133.53, 247,159.55 and 115,394.63 is: 159,215.78
Step by Step Solution
- Step 1: Write the proportion equation
179,133.53 : 247,159.55 = 115,394.63 : x - Step 2: Convert to fraction form
179,133.53/247,159.55 = 115,394.63/x - Step 3: Cross multiply
179,133.53x = 247,159.55 × 115,394.63 - Step 4: Simplify right side
179,133.53x = 28,520,883,875.91 - Step 5: Solve for x
x = 28,520,883,875.91/179,133.53 - Step 6: Final answer
x = 159,215.78
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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.