Finding the Fourth Proportional to 416,222.42, 574,398.41 and 252,823.68
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Solution
The fourth proportional to 416,222.42, 574,398.41 and 252,823.68 is: 348,903.65
Step by Step Solution
- Step 1: Write the proportion equation
416,222.42 : 574,398.41 = 252,823.68 : x - Step 2: Convert to fraction form
416,222.42/574,398.41 = 252,823.68/x - Step 3: Cross multiply
416,222.42x = 574,398.41 × 252,823.68 - Step 4: Simplify right side
416,222.42x = 145,221,518,538.23 - Step 5: Solve for x
x = 145,221,518,538.23/416,222.42 - Step 6: Final answer
x = 348,903.65
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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.