Finding the Fourth Proportional to 319,051.50, 440,289.18 and 173,857.02
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Solution
The fourth proportional to 319,051.50, 440,289.18 and 173,857.02 is: 239,921.66
Step by Step Solution
- Step 1: Write the proportion equation
319,051.50 : 440,289.18 = 173,857.02 : x - Step 2: Convert to fraction form
319,051.50/440,289.18 = 173,857.02/x - Step 3: Cross multiply
319,051.50x = 440,289.18 × 173,857.02 - Step 4: Simplify right side
319,051.50x = 76,547,364,773.04 - Step 5: Solve for x
x = 76,547,364,773.04/319,051.50 - Step 6: Final answer
x = 239,921.66
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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.