Finding the Fourth Proportional to 242,455.48, 334,564.62 and 135,035.53
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Solution
The fourth proportional to 242,455.48, 334,564.62 and 135,035.53 is: 186,335.70
Step by Step Solution
- Step 1: Write the proportion equation
242,455.48 : 334,564.62 = 135,035.53 : x - Step 2: Convert to fraction form
242,455.48/334,564.62 = 135,035.53/x - Step 3: Cross multiply
242,455.48x = 334,564.62 × 135,035.53 - Step 4: Simplify right side
242,455.48x = 45,178,110,780.95 - Step 5: Solve for x
x = 45,178,110,780.95/242,455.48 - Step 6: Final answer
x = 186,335.70
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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.