Finding the Fourth Proportional to 165,985.22, 228,877.79 and 112,176.79
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Solution
The fourth proportional to 165,985.22, 228,877.79 and 112,176.79 is: 154,681.09
Step by Step Solution
- Step 1: Write the proportion equation
165,985.22 : 228,877.79 = 112,176.79 : x - Step 2: Convert to fraction form
165,985.22/228,877.79 = 112,176.79/x - Step 3: Cross multiply
165,985.22x = 228,877.79 × 112,176.79 - Step 4: Simplify right side
165,985.22x = 25,674,774,651.42 - Step 5: Solve for x
x = 25,674,774,651.42/165,985.22 - Step 6: Final answer
x = 154,681.09
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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.