Finding the Fourth Proportional to 276,888.84, 382,106.73 and 149,564.40
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Solution
The fourth proportional to 276,888.84, 382,106.73 and 149,564.40 is: 206,398.94
Step by Step Solution
- Step 1: Write the proportion equation
276,888.84 : 382,106.73 = 149,564.40 : x - Step 2: Convert to fraction form
276,888.84/382,106.73 = 149,564.40/x - Step 3: Cross multiply
276,888.84x = 382,106.73 × 149,564.40 - Step 4: Simplify right side
276,888.84x = 57,149,563,808.41 - Step 5: Solve for x
x = 57,149,563,808.41/276,888.84 - Step 6: Final answer
x = 206,398.94
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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.