Finding the Fourth Proportional to 270,629.99, 405,946.68 and 70,948.59
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Solution
The fourth proportional to 270,629.99, 405,946.68 and 70,948.59 is: 106,423.33
Step by Step Solution
- Step 1: Write the proportion equation
270,629.99 : 405,946.68 = 70,948.59 : x - Step 2: Convert to fraction form
270,629.99/405,946.68 = 70,948.59/x - Step 3: Cross multiply
270,629.99x = 405,946.68 × 70,948.59 - Step 4: Simplify right side
270,629.99x = 28,801,344,561.18 - Step 5: Solve for x
x = 28,801,344,561.18/270,629.99 - Step 6: Final answer
x = 106,423.33
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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.