Finding the Fourth Proportional to 152,143.99, 228,124.84 and 72,201.85
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Solution
The fourth proportional to 152,143.99, 228,124.84 and 72,201.85 is: 108,259.52
Step by Step Solution
- Step 1: Write the proportion equation
152,143.99 : 228,124.84 = 72,201.85 : x - Step 2: Convert to fraction form
152,143.99/228,124.84 = 72,201.85/x - Step 3: Cross multiply
152,143.99x = 228,124.84 × 72,201.85 - Step 4: Simplify right side
152,143.99x = 16,471,035,478.95 - Step 5: Solve for x
x = 16,471,035,478.95/152,143.99 - Step 6: Final answer
x = 108,259.52
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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.