Finding the Fourth Proportional to 490,860.96, 736,292.45 and 135,876.03
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Solution
The fourth proportional to 490,860.96, 736,292.45 and 135,876.03 is: 203,814.32
Step by Step Solution
- Step 1: Write the proportion equation
490,860.96 : 736,292.45 = 135,876.03 : x - Step 2: Convert to fraction form
490,860.96/736,292.45 = 135,876.03/x - Step 3: Cross multiply
490,860.96x = 736,292.45 × 135,876.03 - Step 4: Simplify right side
490,860.96x = 100,044,495,024.97 - Step 5: Solve for x
x = 100,044,495,024.97/490,860.96 - Step 6: Final answer
x = 203,814.32
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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.