Finding the Fourth Proportional to 615,454.70, 922,404.45 and 299,230.70
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Solution
The fourth proportional to 615,454.70, 922,404.45 and 299,230.70 is: 448,467.99
Step by Step Solution
- Step 1: Write the proportion equation
615,454.70 : 922,404.45 = 299,230.70 : x - Step 2: Convert to fraction form
615,454.70/922,404.45 = 299,230.70/x - Step 3: Cross multiply
615,454.70x = 922,404.45 × 299,230.70 - Step 4: Simplify right side
615,454.70x = 276,011,729,256.62 - Step 5: Solve for x
x = 276,011,729,256.62/615,454.70 - Step 6: Final answer
x = 448,467.99
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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.