Finding the Fourth Proportional to 316,575.84, 436,874.56 and 173,335.84
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Solution
The fourth proportional to 316,575.84, 436,874.56 and 173,335.84 is: 239,203.40
Step by Step Solution
- Step 1: Write the proportion equation
316,575.84 : 436,874.56 = 173,335.84 : x - Step 2: Convert to fraction form
316,575.84/436,874.56 = 173,335.84/x - Step 3: Cross multiply
316,575.84x = 436,874.56 × 173,335.84 - Step 4: Simplify right side
316,575.84x = 75,726,018,832.23 - Step 5: Solve for x
x = 75,726,018,832.23/316,575.84 - Step 6: Final answer
x = 239,203.40
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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.