Finding the Fourth Proportional to 615,189.17, 848,963.40 and 343,268.53
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Solution
The fourth proportional to 615,189.17, 848,963.40 and 343,268.53 is: 473,711.88
Step by Step Solution
- Step 1: Write the proportion equation
615,189.17 : 848,963.40 = 343,268.53 : x - Step 2: Convert to fraction form
615,189.17/848,963.40 = 343,268.53/x - Step 3: Cross multiply
615,189.17x = 848,963.40 × 343,268.53 - Step 4: Simplify right side
615,189.17x = 291,422,418,341.80 - Step 5: Solve for x
x = 291,422,418,341.80/615,189.17 - Step 6: Final answer
x = 473,711.88
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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.