Finding the Fourth Proportional to 152,026.84, 209,778.87 and 84,034.63
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Solution
The fourth proportional to 152,026.84, 209,778.87 and 84,034.63 is: 115,957.75
Step by Step Solution
- Step 1: Write the proportion equation
152,026.84 : 209,778.87 = 84,034.63 : x - Step 2: Convert to fraction form
152,026.84/209,778.87 = 84,034.63/x - Step 3: Cross multiply
152,026.84x = 209,778.87 × 84,034.63 - Step 4: Simplify right side
152,026.84x = 17,628,689,722.27 - Step 5: Solve for x
x = 17,628,689,722.27/152,026.84 - Step 6: Final answer
x = 115,957.75
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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.