Finding the Fourth Proportional to 579,268.08, 868,900.35 and 146,984.70
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Solution
The fourth proportional to 579,268.08, 868,900.35 and 146,984.70 is: 220,476.60
Step by Step Solution
- Step 1: Write the proportion equation
579,268.08 : 868,900.35 = 146,984.70 : x - Step 2: Convert to fraction form
579,268.08/868,900.35 = 146,984.70/x - Step 3: Cross multiply
579,268.08x = 868,900.35 × 146,984.70 - Step 4: Simplify right side
579,268.08x = 127,715,057,274.65 - Step 5: Solve for x
x = 127,715,057,274.65/579,268.08 - Step 6: Final answer
x = 220,476.60
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1.5x scale
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.