Finding the Fourth Proportional to 352,468.64, 528,723.52 and 99,727.99
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Solution
The fourth proportional to 352,468.64, 528,723.52 and 99,727.99 is: 149,597.80
Step by Step Solution
- Step 1: Write the proportion equation
352,468.64 : 528,723.52 = 99,727.99 : x - Step 2: Convert to fraction form
352,468.64/528,723.52 = 99,727.99/x - Step 3: Cross multiply
352,468.64x = 528,723.52 × 99,727.99 - Step 4: Simplify right side
352,468.64x = 52,728,533,915.32 - Step 5: Solve for x
x = 52,728,533,915.32/352,468.64 - Step 6: Final answer
x = 149,597.80
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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.