Finding the Fourth Proportional to 211,235.94, 316,893.87 and 84,886.02
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Solution
The fourth proportional to 211,235.94, 316,893.87 and 84,886.02 is: 127,345.09
Step by Step Solution
- Step 1: Write the proportion equation
211,235.94 : 316,893.87 = 84,886.02 : x - Step 2: Convert to fraction form
211,235.94/316,893.87 = 84,886.02/x - Step 3: Cross multiply
211,235.94x = 316,893.87 × 84,886.02 - Step 4: Simplify right side
211,235.94x = 26,899,859,386.70 - Step 5: Solve for x
x = 26,899,859,386.70/211,235.94 - Step 6: Final answer
x = 127,345.09
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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.