Finding the Fourth Proportional to 299,134.86, 448,425.27 and 156,950.70
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Solution
The fourth proportional to 299,134.86, 448,425.27 and 156,950.70 is: 235,280.70
Step by Step Solution
- Step 1: Write the proportion equation
299,134.86 : 448,425.27 = 156,950.70 : x - Step 2: Convert to fraction form
299,134.86/448,425.27 = 156,950.70/x - Step 3: Cross multiply
299,134.86x = 448,425.27 × 156,950.70 - Step 4: Simplify right side
299,134.86x = 70,380,660,024.19 - Step 5: Solve for x
x = 70,380,660,024.19/299,134.86 - Step 6: Final answer
x = 235,280.70
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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.