Finding the Fourth Proportional to 319,639.08, 441,267.76 and 233,501.36
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Solution
The fourth proportional to 319,639.08, 441,267.76 and 233,501.36 is: 322,353.02
Step by Step Solution
- Step 1: Write the proportion equation
319,639.08 : 441,267.76 = 233,501.36 : x - Step 2: Convert to fraction form
319,639.08/441,267.76 = 233,501.36/x - Step 3: Cross multiply
319,639.08x = 441,267.76 × 233,501.36 - Step 4: Simplify right side
319,639.08x = 103,036,622,084.15 - Step 5: Solve for x
x = 103,036,622,084.15/319,639.08 - Step 6: Final answer
x = 322,353.02
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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.