Finding the Fourth Proportional to 615,349.20, 922,246.20 and 299,125.20
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Solution
The fourth proportional to 615,349.20, 922,246.20 and 299,125.20 is: 448,309.80
Step by Step Solution
- Step 1: Write the proportion equation
615,349.20 : 922,246.20 = 299,125.20 : x - Step 2: Convert to fraction form
615,349.20/922,246.20 = 299,125.20/x - Step 3: Cross multiply
615,349.20x = 922,246.20 × 299,125.20 - Step 4: Simplify right side
615,349.20x = 275,867,079,024.24 - Step 5: Solve for x
x = 275,867,079,024.24/615,349.20 - Step 6: Final answer
x = 448,309.80
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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.