Finding the Fourth Proportional to 242,342.63, 334,432.65 and 134,938.00
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Solution
The fourth proportional to 242,342.63, 334,432.65 and 134,938.00 is: 186,214.34
Step by Step Solution
- Step 1: Write the proportion equation
242,342.63 : 334,432.65 = 134,938.00 : x - Step 2: Convert to fraction form
242,342.63/334,432.65 = 134,938.00/x - Step 3: Cross multiply
242,342.63x = 334,432.65 × 134,938.00 - Step 4: Simplify right side
242,342.63x = 45,127,673,090.73 - Step 5: Solve for x
x = 45,127,673,090.73/242,342.63 - Step 6: Final answer
x = 186,214.34
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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.