Finding the Fourth Proportional to 143,804.08, 215,615.94 and 43,931.08
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Solution
The fourth proportional to 143,804.08, 215,615.94 and 43,931.08 is: 65,869.07
Step by Step Solution
- Step 1: Write the proportion equation
143,804.08 : 215,615.94 = 43,931.08 : x - Step 2: Convert to fraction form
143,804.08/215,615.94 = 43,931.08/x - Step 3: Cross multiply
143,804.08x = 215,615.94 × 43,931.08 - Step 4: Simplify right side
143,804.08x = 9,472,241,109.42 - Step 5: Solve for x
x = 9,472,241,109.42/143,804.08 - Step 6: Final answer
x = 65,869.07
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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.