Finding the Fourth Proportional to 328,784.13, 493,332.26 and 227,737.58
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Solution
The fourth proportional to 328,784.13, 493,332.26 and 227,737.58 is: 341,714.46
Step by Step Solution
- Step 1: Write the proportion equation
328,784.13 : 493,332.26 = 227,737.58 : x - Step 2: Convert to fraction form
328,784.13/493,332.26 = 227,737.58/x - Step 3: Cross multiply
328,784.13x = 493,332.26 × 227,737.58 - Step 4: Simplify right side
328,784.13x = 112,350,291,422.98 - Step 5: Solve for x
x = 112,350,291,422.98/328,784.13 - Step 6: Final answer
x = 341,714.46
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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.