Finding the Fourth Proportional to 354,772.37, 489,510.97 and 225,663.84
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Solution
The fourth proportional to 354,772.37, 489,510.97 and 225,663.84 is: 311,368.45
Step by Step Solution
- Step 1: Write the proportion equation
354,772.37 : 489,510.97 = 225,663.84 : x - Step 2: Convert to fraction form
354,772.37/489,510.97 = 225,663.84/x - Step 3: Cross multiply
354,772.37x = 489,510.97 × 225,663.84 - Step 4: Simplify right side
354,772.37x = 110,464,924,648.17 - Step 5: Solve for x
x = 110,464,924,648.17/354,772.37 - Step 6: Final answer
x = 311,368.45
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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.