Finding the Fourth Proportional to 326,303.97, 489,436.21 and 194,026.02
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Solution
The fourth proportional to 326,303.97, 489,436.21 and 194,026.02 is: 291,027.29
Step by Step Solution
- Step 1: Write the proportion equation
326,303.97 : 489,436.21 = 194,026.02 : x - Step 2: Convert to fraction form
326,303.97/489,436.21 = 194,026.02/x - Step 3: Cross multiply
326,303.97x = 489,436.21 × 194,026.02 - Step 4: Simplify right side
326,303.97x = 94,963,359,870.18 - Step 5: Solve for x
x = 94,963,359,870.18/326,303.97 - Step 6: Final answer
x = 291,027.29
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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.