Finding the Fourth Proportional to 602,171.64, 830,955.54 and 330,183.08
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Solution
The fourth proportional to 602,171.64, 830,955.54 and 330,183.08 is: 455,629.99
Step by Step Solution
- Step 1: Write the proportion equation
602,171.64 : 830,955.54 = 330,183.08 : x - Step 2: Convert to fraction form
602,171.64/830,955.54 = 330,183.08/x - Step 3: Cross multiply
602,171.64x = 830,955.54 × 330,183.08 - Step 4: Simplify right side
602,171.64x = 274,367,459,540.26 - Step 5: Solve for x
x = 274,367,459,540.26/602,171.64 - Step 6: Final answer
x = 455,629.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.