Finding the Fourth Proportional to 435,417.68, 653,150.82 and 135,939.62
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Solution
The fourth proportional to 435,417.68, 653,150.82 and 135,939.62 is: 203,917.02
Step by Step Solution
- Step 1: Write the proportion equation
435,417.68 : 653,150.82 = 135,939.62 : x - Step 2: Convert to fraction form
435,417.68/653,150.82 = 135,939.62/x - Step 3: Cross multiply
435,417.68x = 653,150.82 × 135,939.62 - Step 4: Simplify right side
435,417.68x = 88,789,074,273.49 - Step 5: Solve for x
x = 88,789,074,273.49/435,417.68 - Step 6: Final answer
x = 203,917.02
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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.