Finding the Fourth Proportional to 165,913.68, 228,971.88 and 94,293.84
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Solution
The fourth proportional to 165,913.68, 228,971.88 and 94,293.84 is: 130,131.75
Step by Step Solution
- Step 1: Write the proportion equation
165,913.68 : 228,971.88 = 94,293.84 : x - Step 2: Convert to fraction form
165,913.68/228,971.88 = 94,293.84/x - Step 3: Cross multiply
165,913.68x = 228,971.88 × 94,293.84 - Step 4: Simplify right side
165,913.68x = 21,590,637,817.22 - Step 5: Solve for x
x = 21,590,637,817.22/165,913.68 - Step 6: Final answer
x = 130,131.75
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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.