Finding the Fourth Proportional to 579,268.06, 868,900.36 and 146,984.68
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Solution
The fourth proportional to 579,268.06, 868,900.36 and 146,984.68 is: 220,476.58
Step by Step Solution
- Step 1: Write the proportion equation
579,268.06 : 868,900.36 = 146,984.68 : x - Step 2: Convert to fraction form
579,268.06/868,900.36 = 146,984.68/x - Step 3: Cross multiply
579,268.06x = 868,900.36 × 146,984.68 - Step 4: Simplify right side
579,268.06x = 127,715,041,366.49 - Step 5: Solve for x
x = 127,715,041,366.49/579,268.06 - Step 6: Final answer
x = 220,476.58
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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.