Finding the Fourth Proportional to 370,979.76, 556,405.02 and 171,283.08
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Solution
The fourth proportional to 370,979.76, 556,405.02 and 171,283.08 is: 256,894.78
Step by Step Solution
- Step 1: Write the proportion equation
370,979.76 : 556,405.02 = 171,283.08 : x - Step 2: Convert to fraction form
370,979.76/556,405.02 = 171,283.08/x - Step 3: Cross multiply
370,979.76x = 556,405.02 × 171,283.08 - Step 4: Simplify right side
370,979.76x = 95,302,765,553.06 - Step 5: Solve for x
x = 95,302,765,553.06/370,979.76 - Step 6: Final answer
x = 256,894.78
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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.