Finding the Fourth Proportional to 547,740.08, 755,881.63 and 306,022.65
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Solution
The fourth proportional to 547,740.08, 755,881.63 and 306,022.65 is: 422,311.44
Step by Step Solution
- Step 1: Write the proportion equation
547,740.08 : 755,881.63 = 306,022.65 : x - Step 2: Convert to fraction form
547,740.08/755,881.63 = 306,022.65/x - Step 3: Cross multiply
547,740.08x = 755,881.63 × 306,022.65 - Step 4: Simplify right side
547,740.08x = 231,316,899,498.92 - Step 5: Solve for x
x = 231,316,899,498.92/547,740.08 - Step 6: Final answer
x = 422,311.44
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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.