Finding the Fourth Proportional to 309,275.88, 463,126.14 and 203,775.08
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Solution
The fourth proportional to 309,275.88, 463,126.14 and 203,775.08 is: 305,143.63
Step by Step Solution
- Step 1: Write the proportion equation
309,275.88 : 463,126.14 = 203,775.08 : x - Step 2: Convert to fraction form
309,275.88/463,126.14 = 203,775.08/x - Step 3: Cross multiply
309,275.88x = 463,126.14 × 203,775.08 - Step 4: Simplify right side
309,275.88x = 94,373,566,228.59 - Step 5: Solve for x
x = 94,373,566,228.59/309,275.88 - Step 6: Final answer
x = 305,143.63
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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.