Finding the Fourth Proportional to 528,420.25, 792,463.87 and 173,351.53
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Solution
The fourth proportional to 528,420.25, 792,463.87 and 173,351.53 is: 259,972.67
Step by Step Solution
- Step 1: Write the proportion equation
528,420.25 : 792,463.87 = 173,351.53 : x - Step 2: Convert to fraction form
528,420.25/792,463.87 = 173,351.53/x - Step 3: Cross multiply
528,420.25x = 792,463.87 × 173,351.53 - Step 4: Simplify right side
528,420.25x = 137,374,824,334.22 - Step 5: Solve for x
x = 137,374,824,334.22/528,420.25 - Step 6: Final answer
x = 259,972.67
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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.