Finding the Fourth Proportional to 316,829.38, 474,111.69 and 275,199.97
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Solution
The fourth proportional to 316,829.38, 474,111.69 and 275,199.97 is: 411,816.36
Step by Step Solution
- Step 1: Write the proportion equation
316,829.38 : 474,111.69 = 275,199.97 : x - Step 2: Convert to fraction form
316,829.38/474,111.69 = 275,199.97/x - Step 3: Cross multiply
316,829.38x = 474,111.69 × 275,199.97 - Step 4: Simplify right side
316,829.38x = 130,475,522,864.65 - Step 5: Solve for x
x = 130,475,522,864.65/316,829.38 - Step 6: Final answer
x = 411,816.36
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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.