Finding the Fourth Proportional to 309,116.88, 463,675.68 and 98,771.04
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Solution
The fourth proportional to 309,116.88, 463,675.68 and 98,771.04 is: 148,156.68
Step by Step Solution
- Step 1: Write the proportion equation
309,116.88 : 463,675.68 = 98,771.04 : x - Step 2: Convert to fraction form
309,116.88/463,675.68 = 98,771.04/x - Step 3: Cross multiply
309,116.88x = 463,675.68 × 98,771.04 - Step 4: Simplify right side
309,116.88x = 45,797,729,136.31 - Step 5: Solve for x
x = 45,797,729,136.31/309,116.88 - Step 6: Final answer
x = 148,156.68
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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.