Finding the Fourth Proportional to 246,681.60, 369,653.76 and 135,720.96
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Solution
The fourth proportional to 246,681.60, 369,653.76 and 135,720.96 is: 203,378.62
Step by Step Solution
- Step 1: Write the proportion equation
246,681.60 : 369,653.76 = 135,720.96 : x - Step 2: Convert to fraction form
246,681.60/369,653.76 = 135,720.96/x - Step 3: Cross multiply
246,681.60x = 369,653.76 × 135,720.96 - Step 4: Simplify right side
246,681.60x = 50,169,763,174.81 - Step 5: Solve for x
x = 50,169,763,174.81/246,681.60 - Step 6: Final answer
x = 203,378.62
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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.