Finding the Fourth Proportional to 615,056.13, 848,777.82 and 343,124.02
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Solution
The fourth proportional to 615,056.13, 848,777.82 and 343,124.02 is: 473,511.35
Step by Step Solution
- Step 1: Write the proportion equation
615,056.13 : 848,777.82 = 343,124.02 : x - Step 2: Convert to fraction form
615,056.13/848,777.82 = 343,124.02/x - Step 3: Cross multiply
615,056.13x = 848,777.82 × 343,124.02 - Step 4: Simplify right side
615,056.13x = 291,236,057,685.24 - Step 5: Solve for x
x = 291,236,057,685.24/615,056.13 - Step 6: Final answer
x = 473,511.35
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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.