Finding the Fourth Proportional to 490,881.61, 736,334.94 and 135,898.69
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Solution
The fourth proportional to 490,881.61, 736,334.94 and 135,898.69 is: 203,851.50
Step by Step Solution
- Step 1: Write the proportion equation
490,881.61 : 736,334.94 = 135,898.69 : x - Step 2: Convert to fraction form
490,881.61/736,334.94 = 135,898.69/x - Step 3: Cross multiply
490,881.61x = 736,334.94 × 135,898.69 - Step 4: Simplify right side
490,881.61x = 100,066,953,747.23 - Step 5: Solve for x
x = 100,066,953,747.23/490,881.61 - Step 6: Final answer
x = 203,851.50
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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.