Finding the Fourth Proportional to 268,005.84, 369,852.36 and 154,838.48
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Solution
The fourth proportional to 268,005.84, 369,852.36 and 154,838.48 is: 213,679.59
Step by Step Solution
- Step 1: Write the proportion equation
268,005.84 : 369,852.36 = 154,838.48 : x - Step 2: Convert to fraction form
268,005.84/369,852.36 = 154,838.48/x - Step 3: Cross multiply
268,005.84x = 369,852.36 × 154,838.48 - Step 4: Simplify right side
268,005.84x = 57,267,377,246.81 - Step 5: Solve for x
x = 57,267,377,246.81/268,005.84 - Step 6: Final answer
x = 213,679.59
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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.