Finding the Fourth Proportional to 531,355.52, 797,208.26 and 215,727.68
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Solution
The fourth proportional to 531,355.52, 797,208.26 and 215,727.68 is: 323,662.55
Step by Step Solution
- Step 1: Write the proportion equation
531,355.52 : 797,208.26 = 215,727.68 : x - Step 2: Convert to fraction form
531,355.52/797,208.26 = 215,727.68/x - Step 3: Cross multiply
531,355.52x = 797,208.26 × 215,727.68 - Step 4: Simplify right side
531,355.52x = 171,979,883,341.96 - Step 5: Solve for x
x = 171,979,883,341.96/531,355.52 - Step 6: Final answer
x = 323,662.55
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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.