Finding the Fourth Proportional to 242,564.10, 334,748.79 and 135,134.07
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Solution
The fourth proportional to 242,564.10, 334,748.79 and 135,134.07 is: 186,490.77
Step by Step Solution
- Step 1: Write the proportion equation
242,564.10 : 334,748.79 = 135,134.07 : x - Step 2: Convert to fraction form
242,564.10/334,748.79 = 135,134.07/x - Step 3: Cross multiply
242,564.10x = 334,748.79 × 135,134.07 - Step 4: Simplify right side
242,564.10x = 45,235,966,420.28 - Step 5: Solve for x
x = 45,235,966,420.28/242,564.10 - Step 6: Final answer
x = 186,490.77
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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.