Finding the Fourth Proportional to 614,377.12, 921,427.44 and 220,393.12
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Solution
The fourth proportional to 614,377.12, 921,427.44 and 220,393.12 is: 330,540.09
Step by Step Solution
- Step 1: Write the proportion equation
614,377.12 : 921,427.44 = 220,393.12 : x - Step 2: Convert to fraction form
614,377.12/921,427.44 = 220,393.12/x - Step 3: Cross multiply
614,377.12x = 921,427.44 × 220,393.12 - Step 4: Simplify right side
614,377.12x = 203,076,268,355.21 - Step 5: Solve for x
x = 203,076,268,355.21/614,377.12 - Step 6: Final answer
x = 330,540.09
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1.5x scale
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.