Finding the Fourth Proportional to 468,257.04, 646,192.44 and 253,396.80
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Solution
The fourth proportional to 468,257.04, 646,192.44 and 253,396.80 is: 349,686.35
Step by Step Solution
- Step 1: Write the proportion equation
468,257.04 : 646,192.44 = 253,396.80 : x - Step 2: Convert to fraction form
468,257.04/646,192.44 = 253,396.80/x - Step 3: Cross multiply
468,257.04x = 646,192.44 × 253,396.80 - Step 4: Simplify right side
468,257.04x = 163,743,096,480.19 - Step 5: Solve for x
x = 163,743,096,480.19/468,257.04 - Step 6: Final answer
x = 349,686.35
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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.