Finding the Fourth Proportional to 370,461.12, 555,691.68 and 133,802.88
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Solution
The fourth proportional to 370,461.12, 555,691.68 and 133,802.88 is: 200,704.32
Step by Step Solution
- Step 1: Write the proportion equation
370,461.12 : 555,691.68 = 133,802.88 : x - Step 2: Convert to fraction form
370,461.12/555,691.68 = 133,802.88/x - Step 3: Cross multiply
370,461.12x = 555,691.68 × 133,802.88 - Step 4: Simplify right side
370,461.12x = 74,353,147,176.04 - Step 5: Solve for x
x = 74,353,147,176.04/370,461.12 - Step 6: Final answer
x = 200,704.32
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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.