Finding the Fourth Proportional to 242,536.13, 334,709.95 and 135,106.14
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Solution
The fourth proportional to 242,536.13, 334,709.95 and 135,106.14 is: 186,452.09
Step by Step Solution
- Step 1: Write the proportion equation
242,536.13 : 334,709.95 = 135,106.14 : x - Step 2: Convert to fraction form
242,536.13/334,709.95 = 135,106.14/x - Step 3: Cross multiply
242,536.13x = 334,709.95 × 135,106.14 - Step 4: Simplify right side
242,536.13x = 45,221,369,364.09 - Step 5: Solve for x
x = 45,221,369,364.09/242,536.13 - Step 6: Final answer
x = 186,452.09
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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.