Finding the Fourth Proportional to 165,628.36, 228,572.76 and 93,044.06
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Solution
The fourth proportional to 165,628.36, 228,572.76 and 93,044.06 is: 128,403.96
Step by Step Solution
- Step 1: Write the proportion equation
165,628.36 : 228,572.76 = 93,044.06 : x - Step 2: Convert to fraction form
165,628.36/228,572.76 = 93,044.06/x - Step 3: Cross multiply
165,628.36x = 228,572.76 × 93,044.06 - Step 4: Simplify right side
165,628.36x = 21,267,337,595.81 - Step 5: Solve for x
x = 21,267,337,595.81/165,628.36 - Step 6: Final answer
x = 128,403.96
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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.