Finding the Fourth Proportional to 316,444.36, 436,692.49 and 173,203.15
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Solution
The fourth proportional to 316,444.36, 436,692.49 and 173,203.15 is: 239,019.95
Step by Step Solution
- Step 1: Write the proportion equation
316,444.36 : 436,692.49 = 173,203.15 : x - Step 2: Convert to fraction form
316,444.36/436,692.49 = 173,203.15/x - Step 3: Cross multiply
316,444.36x = 436,692.49 × 173,203.15 - Step 4: Simplify right side
316,444.36x = 75,636,514,849.34 - Step 5: Solve for x
x = 75,636,514,849.34/316,444.36 - Step 6: Final answer
x = 239,019.95
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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.