Finding the Fourth Proportional to 457,766.08, 631,716.96 and 253,817.12
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Solution
The fourth proportional to 457,766.08, 631,716.96 and 253,817.12 is: 350,267.50
Step by Step Solution
- Step 1: Write the proportion equation
457,766.08 : 631,716.96 = 253,817.12 : x - Step 2: Convert to fraction form
457,766.08/631,716.96 = 253,817.12/x - Step 3: Cross multiply
457,766.08x = 631,716.96 × 253,817.12 - Step 4: Simplify right side
457,766.08x = 160,340,579,442.36 - Step 5: Solve for x
x = 160,340,579,442.36/457,766.08 - Step 6: Final answer
x = 350,267.50
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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.