Finding the Fourth Proportional to 165,644.68, 248,117.95 and 75,763.08
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Solution
The fourth proportional to 165,644.68, 248,117.95 and 75,763.08 is: 113,484.96
Step by Step Solution
- Step 1: Write the proportion equation
165,644.68 : 248,117.95 = 75,763.08 : x - Step 2: Convert to fraction form
165,644.68/248,117.95 = 75,763.08/x - Step 3: Cross multiply
165,644.68x = 248,117.95 × 75,763.08 - Step 4: Simplify right side
165,644.68x = 18,798,180,095.29 - Step 5: Solve for x
x = 18,798,180,095.29/165,644.68 - Step 6: Final answer
x = 113,484.96
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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.