Finding the Fourth Proportional to 401,445.62, 602,169.44 and 135,393.02
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Solution
The fourth proportional to 401,445.62, 602,169.44 and 135,393.02 is: 203,089.86
Step by Step Solution
- Step 1: Write the proportion equation
401,445.62 : 602,169.44 = 135,393.02 : x - Step 2: Convert to fraction form
401,445.62/602,169.44 = 135,393.02/x - Step 3: Cross multiply
401,445.62x = 602,169.44 × 135,393.02 - Step 4: Simplify right side
401,445.62x = 81,529,535,345.50 - Step 5: Solve for x
x = 81,529,535,345.50/401,445.62 - Step 6: Final answer
x = 203,089.86
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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.