Finding the Fourth Proportional to 316,827.38, 474,108.68 and 275,197.98
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Solution
The fourth proportional to 316,827.38, 474,108.68 and 275,197.98 is: 411,813.37
Step by Step Solution
- Step 1: Write the proportion equation
316,827.38 : 474,108.68 = 275,197.98 : x - Step 2: Convert to fraction form
316,827.38/474,108.68 = 275,197.98/x - Step 3: Cross multiply
316,827.38x = 474,108.68 × 275,197.98 - Step 4: Simplify right side
316,827.38x = 130,473,751,036.47 - Step 5: Solve for x
x = 130,473,751,036.47/316,827.38 - Step 6: Final answer
x = 411,813.37
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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.