Finding the Fourth Proportional to 313,157.08, 432,268.84 and 185,832.64
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Solution
The fourth proportional to 313,157.08, 432,268.84 and 185,832.64 is: 256,515.55
Step by Step Solution
- Step 1: Write the proportion equation
313,157.08 : 432,268.84 = 185,832.64 : x - Step 2: Convert to fraction form
313,157.08/432,268.84 = 185,832.64/x - Step 3: Cross multiply
313,157.08x = 432,268.84 × 185,832.64 - Step 4: Simplify right side
313,157.08x = 80,329,659,726.94 - Step 5: Solve for x
x = 80,329,659,726.94/313,157.08 - Step 6: Final answer
x = 256,515.55
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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.