Finding the Fourth Proportional to 512,430.97, 769,112.94 and 272,746.12
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Solution
The fourth proportional to 512,430.97, 769,112.94 and 272,746.12 is: 409,367.47
Step by Step Solution
- Step 1: Write the proportion equation
512,430.97 : 769,112.94 = 272,746.12 : x - Step 2: Convert to fraction form
512,430.97/769,112.94 = 272,746.12/x - Step 3: Cross multiply
512,430.97x = 769,112.94 × 272,746.12 - Step 4: Simplify right side
512,430.97x = 209,772,570,226.79 - Step 5: Solve for x
x = 209,772,570,226.79/512,430.97 - Step 6: Final answer
x = 409,367.47
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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.