Finding the Fourth Proportional to 615,057.13, 848,779.20 and 343,125.02
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Solution
The fourth proportional to 615,057.13, 848,779.20 and 343,125.02 is: 473,512.73
Step by Step Solution
- Step 1: Write the proportion equation
615,057.13 : 848,779.20 = 343,125.02 : x - Step 2: Convert to fraction form
615,057.13/848,779.20 = 343,125.02/x - Step 3: Cross multiply
615,057.13x = 848,779.20 × 343,125.02 - Step 4: Simplify right side
615,057.13x = 291,237,379,975.58 - Step 5: Solve for x
x = 291,237,379,975.58/615,057.13 - Step 6: Final answer
x = 473,512.73
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.