Finding the Fourth Proportional to 316,261.04, 436,438.68 and 173,018.48
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Solution
The fourth proportional to 316,261.04, 436,438.68 and 173,018.48 is: 238,764.65
Step by Step Solution
- Step 1: Write the proportion equation
316,261.04 : 436,438.68 = 173,018.48 : x - Step 2: Convert to fraction form
316,261.04/436,438.68 = 173,018.48/x - Step 3: Cross multiply
316,261.04x = 436,438.68 × 173,018.48 - Step 4: Simplify right side
316,261.04x = 75,511,957,026.81 - Step 5: Solve for x
x = 75,511,957,026.81/316,261.04 - Step 6: Final answer
x = 238,764.65
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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.