Finding the Fourth Proportional to 523,499.07, 785,239.97 and 129,515.07
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Solution
The fourth proportional to 523,499.07, 785,239.97 and 129,515.07 is: 194,270.47
Step by Step Solution
- Step 1: Write the proportion equation
523,499.07 : 785,239.97 = 129,515.07 : x - Step 2: Convert to fraction form
523,499.07/785,239.97 = 129,515.07/x - Step 3: Cross multiply
523,499.07x = 785,239.97 × 129,515.07 - Step 4: Simplify right side
523,499.07x = 101,700,409,033.77 - Step 5: Solve for x
x = 101,700,409,033.77/523,499.07 - Step 6: Final answer
x = 194,270.47
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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.