Finding the Fourth Proportional to 518,683.05, 777,713.54 and 202,763.61
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Solution
The fourth proportional to 518,683.05, 777,713.54 and 202,763.61 is: 304,023.82
Step by Step Solution
- Step 1: Write the proportion equation
518,683.05 : 777,713.54 = 202,763.61 : x - Step 2: Convert to fraction form
518,683.05/777,713.54 = 202,763.61/x - Step 3: Cross multiply
518,683.05x = 777,713.54 × 202,763.61 - Step 4: Simplify right side
518,683.05x = 157,692,003,902.46 - Step 5: Solve for x
x = 157,692,003,902.46/518,683.05 - Step 6: Final answer
x = 304,023.82
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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.