Finding the Fourth Proportional to 276,409.94, 381,448.44 and 153,904.02
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Solution
The fourth proportional to 276,409.94, 381,448.44 and 153,904.02 is: 212,389.06
Step by Step Solution
- Step 1: Write the proportion equation
276,409.94 : 381,448.44 = 153,904.02 : x - Step 2: Convert to fraction form
276,409.94/381,448.44 = 153,904.02/x - Step 3: Cross multiply
276,409.94x = 381,448.44 × 153,904.02 - Step 4: Simplify right side
276,409.94x = 58,706,446,908.30 - Step 5: Solve for x
x = 58,706,446,908.30/276,409.94 - Step 6: Final answer
x = 212,389.06
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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.