Finding the Fourth Proportional to 319,310.36, 440,677.88 and 183,362.12
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Solution
The fourth proportional to 319,310.36, 440,677.88 and 183,362.12 is: 253,056.71
Step by Step Solution
- Step 1: Write the proportion equation
319,310.36 : 440,677.88 = 183,362.12 : x - Step 2: Convert to fraction form
319,310.36/440,677.88 = 183,362.12/x - Step 3: Cross multiply
319,310.36x = 440,677.88 × 183,362.12 - Step 4: Simplify right side
319,310.36x = 80,803,630,313.91 - Step 5: Solve for x
x = 80,803,630,313.91/319,310.36 - Step 6: Final answer
x = 253,056.71
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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.