Finding the Fourth Proportional to 524,135.80, 786,203.70 and 358,247.80
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Solution
The fourth proportional to 524,135.80, 786,203.70 and 358,247.80 is: 537,371.70
Step by Step Solution
- Step 1: Write the proportion equation
524,135.80 : 786,203.70 = 358,247.80 : x - Step 2: Convert to fraction form
524,135.80/786,203.70 = 358,247.80/x - Step 3: Cross multiply
524,135.80x = 786,203.70 × 358,247.80 - Step 4: Simplify right side
524,135.80x = 281,655,745,876.86 - Step 5: Solve for x
x = 281,655,745,876.86/524,135.80 - Step 6: Final answer
x = 537,371.70
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Similar ratio
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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.