Finding the Fourth Proportional to 384,693.36, 576,967.55 and 104,173.68
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Solution
The fourth proportional to 384,693.36, 576,967.55 and 104,173.68 is: 156,240.89
Step by Step Solution
- Step 1: Write the proportion equation
384,693.36 : 576,967.55 = 104,173.68 : x - Step 2: Convert to fraction form
384,693.36/576,967.55 = 104,173.68/x - Step 3: Cross multiply
384,693.36x = 576,967.55 × 104,173.68 - Step 4: Simplify right side
384,693.36x = 60,104,832,924.08 - Step 5: Solve for x
x = 60,104,832,924.08/384,693.36 - Step 6: Final answer
x = 156,240.89
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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.