Finding the Fourth Proportional to 415,462.06, 623,276.93 and 131,197.02
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Solution
The fourth proportional to 415,462.06, 623,276.93 and 131,197.02 is: 196,822.01
Step by Step Solution
- Step 1: Write the proportion equation
415,462.06 : 623,276.93 = 131,197.02 : x - Step 2: Convert to fraction form
415,462.06/623,276.93 = 131,197.02/x - Step 3: Cross multiply
415,462.06x = 623,276.93 × 131,197.02 - Step 4: Simplify right side
415,462.06x = 81,772,075,850.75 - Step 5: Solve for x
x = 81,772,075,850.75/415,462.06 - Step 6: Final answer
x = 196,822.01
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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.