Finding the Fourth Proportional to 460,838.88, 636,247.44 and 353,206.08
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Solution
The fourth proportional to 460,838.88, 636,247.44 and 353,206.08 is: 487,646.49
Step by Step Solution
- Step 1: Write the proportion equation
460,838.88 : 636,247.44 = 353,206.08 : x - Step 2: Convert to fraction form
460,838.88/636,247.44 = 353,206.08/x - Step 3: Cross multiply
460,838.88x = 636,247.44 × 353,206.08 - Step 4: Simplify right side
460,838.88x = 224,726,464,192.44 - Step 5: Solve for x
x = 224,726,464,192.44/460,838.88 - Step 6: Final answer
x = 487,646.49
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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.