Finding the Fourth Proportional to 242,560.10, 334,743.28 and 135,130.08
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Solution
The fourth proportional to 242,560.10, 334,743.28 and 135,130.08 is: 186,485.27
Step by Step Solution
- Step 1: Write the proportion equation
242,560.10 : 334,743.28 = 135,130.08 : x - Step 2: Convert to fraction form
242,560.10/334,743.28 = 135,130.08/x - Step 3: Cross multiply
242,560.10x = 334,743.28 × 135,130.08 - Step 4: Simplify right side
242,560.10x = 45,233,886,205.86 - Step 5: Solve for x
x = 45,233,886,205.86/242,560.10 - Step 6: Final answer
x = 186,485.27
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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.