Finding the Fourth Proportional to 363,135.20, 544,702.80 and 310,647.20
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Solution
The fourth proportional to 363,135.20, 544,702.80 and 310,647.20 is: 465,970.80
Step by Step Solution
- Step 1: Write the proportion equation
363,135.20 : 544,702.80 = 310,647.20 : x - Step 2: Convert to fraction form
363,135.20/544,702.80 = 310,647.20/x - Step 3: Cross multiply
363,135.20x = 544,702.80 × 310,647.20 - Step 4: Simplify right side
363,135.20x = 169,210,399,652.16 - Step 5: Solve for x
x = 169,210,399,652.16/363,135.20 - Step 6: Final answer
x = 465,970.80
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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.