Finding the Fourth Proportional to 279,854.60, 419,844.26 and 102,357.68
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Solution
The fourth proportional to 279,854.60, 419,844.26 and 102,357.68 is: 153,559.32
Step by Step Solution
- Step 1: Write the proportion equation
279,854.60 : 419,844.26 = 102,357.68 : x - Step 2: Convert to fraction form
279,854.60/419,844.26 = 102,357.68/x - Step 3: Cross multiply
279,854.60x = 419,844.26 × 102,357.68 - Step 4: Simplify right side
279,854.60x = 42,974,282,571.59 - Step 5: Solve for x
x = 42,974,282,571.59/279,854.60 - Step 6: Final answer
x = 153,559.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.