Finding the Fourth Proportional to 165,376.10, 228,212.28 and 97,395.90
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Solution
The fourth proportional to 165,376.10, 228,212.28 and 97,395.90 is: 134,402.38
Step by Step Solution
- Step 1: Write the proportion equation
165,376.10 : 228,212.28 = 97,395.90 : x - Step 2: Convert to fraction form
165,376.10/228,212.28 = 97,395.90/x - Step 3: Cross multiply
165,376.10x = 228,212.28 × 97,395.90 - Step 4: Simplify right side
165,376.10x = 22,226,940,401.65 - Step 5: Solve for x
x = 22,226,940,401.65/165,376.10 - Step 6: Final answer
x = 134,402.38
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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.