Finding the Fourth Proportional to 355,522.68, 533,035.02 and 130,853.99
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Solution
The fourth proportional to 355,522.68, 533,035.02 and 130,853.99 is: 196,189.34
Step by Step Solution
- Step 1: Write the proportion equation
355,522.68 : 533,035.02 = 130,853.99 : x - Step 2: Convert to fraction form
355,522.68/533,035.02 = 130,853.99/x - Step 3: Cross multiply
355,522.68x = 533,035.02 × 130,853.99 - Step 4: Simplify right side
355,522.68x = 69,749,761,000.02 - Step 5: Solve for x
x = 69,749,761,000.02/355,522.68 - Step 6: Final answer
x = 196,189.34
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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.