Finding the Fourth Proportional to 165,388.13, 228,228.72 and 93,772.99
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Solution
The fourth proportional to 165,388.13, 228,228.72 and 93,772.99 is: 129,402.81
Step by Step Solution
- Step 1: Write the proportion equation
165,388.13 : 228,228.72 = 93,772.99 : x - Step 2: Convert to fraction form
165,388.13/228,228.72 = 93,772.99/x - Step 3: Cross multiply
165,388.13x = 228,228.72 × 93,772.99 - Step 4: Simplify right side
165,388.13x = 21,401,688,337.13 - Step 5: Solve for x
x = 21,401,688,337.13/165,388.13 - Step 6: Final answer
x = 129,402.81
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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.