Finding the Fourth Proportional to 401,928.08, 602,885.97 and 135,875.48
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Solution
The fourth proportional to 401,928.08, 602,885.97 and 135,875.48 is: 203,811.14
Step by Step Solution
- Step 1: Write the proportion equation
401,928.08 : 602,885.97 = 135,875.48 : x - Step 2: Convert to fraction form
401,928.08/602,885.97 = 135,875.48/x - Step 3: Cross multiply
401,928.08x = 602,885.97 × 135,875.48 - Step 4: Simplify right side
401,928.08x = 81,917,417,544.59 - Step 5: Solve for x
x = 81,917,417,544.59/401,928.08 - Step 6: Final answer
x = 203,811.14
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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.