Finding the Fourth Proportional to 416,421.42, 574,661.52 and 232,660.03
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Solution
The fourth proportional to 416,421.42, 574,661.52 and 232,660.03 is: 321,070.82
Step by Step Solution
- Step 1: Write the proportion equation
416,421.42 : 574,661.52 = 232,660.03 : x - Step 2: Convert to fraction form
416,421.42/574,661.52 = 232,660.03/x - Step 3: Cross multiply
416,421.42x = 574,661.52 × 232,660.03 - Step 4: Simplify right side
416,421.42x = 133,700,766,483.05 - Step 5: Solve for x
x = 133,700,766,483.05/416,421.42 - Step 6: Final answer
x = 321,070.82
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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.