Finding the Fourth Proportional to 165,193.92, 247,829.76 and 51,335.91
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Solution
The fourth proportional to 165,193.92, 247,829.76 and 51,335.91 is: 77,015.95
Step by Step Solution
- Step 1: Write the proportion equation
165,193.92 : 247,829.76 = 51,335.91 : x - Step 2: Convert to fraction form
165,193.92/247,829.76 = 51,335.91/x - Step 3: Cross multiply
165,193.92x = 247,829.76 × 51,335.91 - Step 4: Simplify right side
165,193.92x = 12,722,566,254.68 - Step 5: Solve for x
x = 12,722,566,254.68/165,193.92 - Step 6: Final answer
x = 77,015.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.