Finding the Fourth Proportional to 524,425.20, 786,637.80 and 192,130.80
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Solution
The fourth proportional to 524,425.20, 786,637.80 and 192,130.80 is: 288,196.20
Step by Step Solution
- Step 1: Write the proportion equation
524,425.20 : 786,637.80 = 192,130.80 : x - Step 2: Convert to fraction form
524,425.20/786,637.80 = 192,130.80/x - Step 3: Cross multiply
524,425.20x = 786,637.80 × 192,130.80 - Step 4: Simplify right side
524,425.20x = 151,137,349,824.24 - Step 5: Solve for x
x = 151,137,349,824.24/524,425.20 - Step 6: Final answer
x = 288,196.20
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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.