Finding the Fourth Proportional to 275,781.61, 413,289.68 and 125,654.99
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Solution
The fourth proportional to 275,781.61, 413,289.68 and 125,654.99 is: 188,308.10
Step by Step Solution
- Step 1: Write the proportion equation
275,781.61 : 413,289.68 = 125,654.99 : x - Step 2: Convert to fraction form
275,781.61/413,289.68 = 125,654.99/x - Step 3: Cross multiply
275,781.61x = 413,289.68 × 125,654.99 - Step 4: Simplify right side
275,781.61x = 51,931,910,607.50 - Step 5: Solve for x
x = 51,931,910,607.50/275,781.61 - Step 6: Final answer
x = 188,308.10
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1.5x scale
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.