Finding the Fourth Proportional to 468,472.04, 646,491.62 and 253,612.08
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Solution
The fourth proportional to 468,472.04, 646,491.62 and 253,612.08 is: 349,984.78
Step by Step Solution
- Step 1: Write the proportion equation
468,472.04 : 646,491.62 = 253,612.08 : x - Step 2: Convert to fraction form
468,472.04/646,491.62 = 253,612.08/x - Step 3: Cross multiply
468,472.04x = 646,491.62 × 253,612.08 - Step 4: Simplify right side
468,472.04x = 163,958,084,450.77 - Step 5: Solve for x
x = 163,958,084,450.77/468,472.04 - Step 6: Final answer
x = 349,984.78
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1.5x scale
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.