Finding the Fourth Proportional to 435,785.70, 653,678.55 and 155,201.70
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Solution
The fourth proportional to 435,785.70, 653,678.55 and 155,201.70 is: 232,802.55
Step by Step Solution
- Step 1: Write the proportion equation
435,785.70 : 653,678.55 = 155,201.70 : x - Step 2: Convert to fraction form
435,785.70/653,678.55 = 155,201.70/x - Step 3: Cross multiply
435,785.70x = 653,678.55 × 155,201.70 - Step 4: Simplify right side
435,785.70x = 101,452,022,213.54 - Step 5: Solve for x
x = 101,452,022,213.54/435,785.70 - Step 6: Final answer
x = 232,802.55
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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.