Finding the Fourth Proportional to 508,579.80, 763,215.30 and 283,939.80
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Solution
The fourth proportional to 508,579.80, 763,215.30 and 283,939.80 is: 426,102.65
Step by Step Solution
- Step 1: Write the proportion equation
508,579.80 : 763,215.30 = 283,939.80 : x - Step 2: Convert to fraction form
508,579.80/763,215.30 = 283,939.80/x - Step 3: Cross multiply
508,579.80x = 763,215.30 × 283,939.80 - Step 4: Simplify right side
508,579.80x = 216,707,199,638.94 - Step 5: Solve for x
x = 216,707,199,638.94/508,579.80 - Step 6: Final answer
x = 426,102.65
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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.