Finding the Fourth Proportional to 165,740.66, 228,711.35 and 97,742.06
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Solution
The fourth proportional to 165,740.66, 228,711.35 and 97,742.06 is: 134,877.68
Step by Step Solution
- Step 1: Write the proportion equation
165,740.66 : 228,711.35 = 97,742.06 : x - Step 2: Convert to fraction form
165,740.66/228,711.35 = 97,742.06/x - Step 3: Cross multiply
165,740.66x = 228,711.35 × 97,742.06 - Step 4: Simplify right side
165,740.66x = 22,354,716,862.11 - Step 5: Solve for x
x = 22,354,716,862.11/165,740.66 - Step 6: Final answer
x = 134,877.68
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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.