Finding the Fourth Proportional to 456,203.70, 684,370.35 and 140,627.70
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Solution
The fourth proportional to 456,203.70, 684,370.35 and 140,627.70 is: 210,961.53
Step by Step Solution
- Step 1: Write the proportion equation
456,203.70 : 684,370.35 = 140,627.70 : x - Step 2: Convert to fraction form
456,203.70/684,370.35 = 140,627.70/x - Step 3: Cross multiply
456,203.70x = 684,370.35 × 140,627.70 - Step 4: Simplify right side
456,203.70x = 96,241,428,268.70 - Step 5: Solve for x
x = 96,241,428,268.70/456,203.70 - Step 6: Final answer
x = 210,961.53
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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.