Finding the Fourth Proportional to 370,337.40, 555,506.10 and 133,687.80
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Solution
The fourth proportional to 370,337.40, 555,506.10 and 133,687.80 is: 200,531.70
Step by Step Solution
- Step 1: Write the proportion equation
370,337.40 : 555,506.10 = 133,687.80 : x - Step 2: Convert to fraction form
370,337.40/555,506.10 = 133,687.80/x - Step 3: Cross multiply
370,337.40x = 555,506.10 × 133,687.80 - Step 4: Simplify right side
370,337.40x = 74,264,388,395.58 - Step 5: Solve for x
x = 74,264,388,395.58/370,337.40 - Step 6: Final answer
x = 200,531.70
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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.