Finding the Fourth Proportional to 316,341.99, 474,512.99 and 138,850.54
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Solution
The fourth proportional to 316,341.99, 474,512.99 and 138,850.54 is: 208,275.81
Step by Step Solution
- Step 1: Write the proportion equation
316,341.99 : 474,512.99 = 138,850.54 : x - Step 2: Convert to fraction form
316,341.99/474,512.99 = 138,850.54/x - Step 3: Cross multiply
316,341.99x = 474,512.99 × 138,850.54 - Step 4: Simplify right side
316,341.99x = 65,886,383,017.98 - Step 5: Solve for x
x = 65,886,383,017.98/316,341.99 - Step 6: Final answer
x = 208,275.81
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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.