Finding the Fourth Proportional to 536,106.93, 739,840.44 and 291,102.09
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Solution
The fourth proportional to 536,106.93, 739,840.44 and 291,102.09 is: 401,727.88
Step by Step Solution
- Step 1: Write the proportion equation
536,106.93 : 739,840.44 = 291,102.09 : x - Step 2: Convert to fraction form
536,106.93/739,840.44 = 291,102.09/x - Step 3: Cross multiply
536,106.93x = 739,840.44 × 291,102.09 - Step 4: Simplify right side
536,106.93x = 215,369,098,350.52 - Step 5: Solve for x
x = 215,369,098,350.52/536,106.93 - Step 6: Final answer
x = 401,727.88
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1.5x scale
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.