Finding the Fourth Proportional to 346,514.70, 519,772.05 and 253,202.70
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Solution
The fourth proportional to 346,514.70, 519,772.05 and 253,202.70 is: 379,804.05
Step by Step Solution
- Step 1: Write the proportion equation
346,514.70 : 519,772.05 = 253,202.70 : x - Step 2: Convert to fraction form
346,514.70/519,772.05 = 253,202.70/x - Step 3: Cross multiply
346,514.70x = 519,772.05 × 253,202.70 - Step 4: Simplify right side
346,514.70x = 131,607,686,444.54 - Step 5: Solve for x
x = 131,607,686,444.54/346,514.70 - Step 6: Final answer
x = 379,804.05
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1.5x scale
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.