Finding the Fourth Proportional to 305,330.10, 457,995.15 and 210,851.70
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Solution
The fourth proportional to 305,330.10, 457,995.15 and 210,851.70 is: 316,277.55
Step by Step Solution
- Step 1: Write the proportion equation
305,330.10 : 457,995.15 = 210,851.70 : x - Step 2: Convert to fraction form
305,330.10/457,995.15 = 210,851.70/x - Step 3: Cross multiply
305,330.10x = 457,995.15 × 210,851.70 - Step 4: Simplify right side
305,330.10x = 96,569,055,969.26 - Step 5: Solve for x
x = 96,569,055,969.26/305,330.10 - Step 6: Final answer
x = 316,277.55
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1.5x scale
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.