Finding the Fourth Proportional to 438,659.84, 658,052.43 and 135,079.64
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Solution
The fourth proportional to 438,659.84, 658,052.43 and 135,079.64 is: 202,638.75
Step by Step Solution
- Step 1: Write the proportion equation
438,659.84 : 658,052.43 = 135,079.64 : x - Step 2: Convert to fraction form
438,659.84/658,052.43 = 135,079.64/x - Step 3: Cross multiply
438,659.84x = 658,052.43 × 135,079.64 - Step 4: Simplify right side
438,659.84x = 88,889,482,055.26 - Step 5: Solve for x
x = 88,889,482,055.26/438,659.84 - Step 6: Final answer
x = 202,638.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.