Finding the Fourth Proportional to 246,990.19, 340,848.12 and 133,812.94
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Solution
The fourth proportional to 246,990.19, 340,848.12 and 133,812.94 is: 184,662.76
Step by Step Solution
- Step 1: Write the proportion equation
246,990.19 : 340,848.12 = 133,812.94 : x - Step 2: Convert to fraction form
246,990.19/340,848.12 = 133,812.94/x - Step 3: Cross multiply
246,990.19x = 340,848.12 × 133,812.94 - Step 4: Simplify right side
246,990.19x = 45,609,889,030.67 - Step 5: Solve for x
x = 45,609,889,030.67/246,990.19 - Step 6: Final answer
x = 184,662.76
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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.