Finding the Fourth Proportional to 628,475.28, 942,860.52 and 207,751.08
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Solution
The fourth proportional to 628,475.28, 942,860.52 and 207,751.08 is: 311,675.41
Step by Step Solution
- Step 1: Write the proportion equation
628,475.28 : 942,860.52 = 207,751.08 : x - Step 2: Convert to fraction form
628,475.28/942,860.52 = 207,751.08/x - Step 3: Cross multiply
628,475.28x = 942,860.52 × 207,751.08 - Step 4: Simplify right side
628,475.28x = 195,880,291,319.36 - Step 5: Solve for x
x = 195,880,291,319.36/628,475.28 - Step 6: Final answer
x = 311,675.41
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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.