Finding the Fourth Proportional to 246,485.12, 340,149.48 and 133,307.84
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Solution
The fourth proportional to 246,485.12, 340,149.48 and 133,307.84 is: 183,964.83
Step by Step Solution
- Step 1: Write the proportion equation
246,485.12 : 340,149.48 = 133,307.84 : x - Step 2: Convert to fraction form
246,485.12/340,149.48 = 133,307.84/x - Step 3: Cross multiply
246,485.12x = 340,149.48 × 133,307.84 - Step 4: Simplify right side
246,485.12x = 45,344,592,455.92 - Step 5: Solve for x
x = 45,344,592,455.92/246,485.12 - Step 6: Final answer
x = 183,964.83
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.