Finding the Fourth Proportional to 615,346.20, 922,241.70 and 299,122.20
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Solution
The fourth proportional to 615,346.20, 922,241.70 and 299,122.20 is: 448,305.31
Step by Step Solution
- Step 1: Write the proportion equation
615,346.20 : 922,241.70 = 299,122.20 : x - Step 2: Convert to fraction form
615,346.20/922,241.70 = 299,122.20/x - Step 3: Cross multiply
615,346.20x = 922,241.70 × 299,122.20 - Step 4: Simplify right side
615,346.20x = 275,862,966,235.74 - Step 5: Solve for x
x = 275,862,966,235.74/615,346.20 - Step 6: Final answer
x = 448,305.31
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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.