Finding the Fourth Proportional to 284,051.18, 392,132.66 and 176,655.81
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Solution
The fourth proportional to 284,051.18, 392,132.66 and 176,655.81 is: 243,873.35
Step by Step Solution
- Step 1: Write the proportion equation
284,051.18 : 392,132.66 = 176,655.81 : x - Step 2: Convert to fraction form
284,051.18/392,132.66 = 176,655.81/x - Step 3: Cross multiply
284,051.18x = 392,132.66 × 176,655.81 - Step 4: Simplify right side
284,051.18x = 69,272,511,796.48 - Step 5: Solve for x
x = 69,272,511,796.48/284,051.18 - Step 6: Final answer
x = 243,873.35
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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.