Finding the Fourth Proportional to 366,318.65, 549,035.09 and 188,728.78
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Solution
The fourth proportional to 366,318.65, 549,035.09 and 188,728.78 is: 282,864.99
Step by Step Solution
- Step 1: Write the proportion equation
366,318.65 : 549,035.09 = 188,728.78 : x - Step 2: Convert to fraction form
366,318.65/549,035.09 = 188,728.78/x - Step 3: Cross multiply
366,318.65x = 549,035.09 × 188,728.78 - Step 4: Simplify right side
366,318.65x = 103,618,719,024.07 - Step 5: Solve for x
x = 103,618,719,024.07/366,318.65 - Step 6: Final answer
x = 282,864.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.