Finding the Fourth Proportional to 165,825.84, 228,876.56 and 105,384.68
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Solution
The fourth proportional to 165,825.84, 228,876.56 and 105,384.68 is: 145,454.31
Step by Step Solution
- Step 1: Write the proportion equation
165,825.84 : 228,876.56 = 105,384.68 : x - Step 2: Convert to fraction form
165,825.84/228,876.56 = 105,384.68/x - Step 3: Cross multiply
165,825.84x = 228,876.56 × 105,384.68 - Step 4: Simplify right side
165,825.84x = 24,120,083,035.10 - Step 5: Solve for x
x = 24,120,083,035.10/165,825.84 - Step 6: Final answer
x = 145,454.31
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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.