Finding the Fourth Proportional to 439,470.24, 659,268.48 and 135,888.02
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Solution
The fourth proportional to 439,470.24, 659,268.48 and 135,888.02 is: 203,851.55
Step by Step Solution
- Step 1: Write the proportion equation
439,470.24 : 659,268.48 = 135,888.02 : x - Step 2: Convert to fraction form
439,470.24/659,268.48 = 135,888.02/x - Step 3: Cross multiply
439,470.24x = 659,268.48 × 135,888.02 - Step 4: Simplify right side
439,470.24x = 89,586,688,395.61 - Step 5: Solve for x
x = 89,586,688,395.61/439,470.24 - Step 6: Final answer
x = 203,851.55
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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.