Finding the Fourth Proportional to 745,571.52, 1,118,394.12 and 213,170.88
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Solution
The fourth proportional to 745,571.52, 1,118,394.12 and 213,170.88 is: 319,766.85
Step by Step Solution
- Step 1: Write the proportion equation
745,571.52 : 1,118,394.12 = 213,170.88 : x - Step 2: Convert to fraction form
745,571.52/1,118,394.12 = 213,170.88/x - Step 3: Cross multiply
745,571.52x = 1,118,394.12 × 213,170.88 - Step 4: Simplify right side
745,571.52x = 238,409,058,747.23 - Step 5: Solve for x
x = 238,409,058,747.23/745,571.52 - Step 6: Final answer
x = 319,766.85
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.