Finding the Fourth Proportional to 152,310.84, 228,460.58 and 39,990.02
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Solution
The fourth proportional to 152,310.84, 228,460.58 and 39,990.02 is: 59,983.54
Step by Step Solution
- Step 1: Write the proportion equation
152,310.84 : 228,460.58 = 39,990.02 : x - Step 2: Convert to fraction form
152,310.84/228,460.58 = 39,990.02/x - Step 3: Cross multiply
152,310.84x = 228,460.58 × 39,990.02 - Step 4: Simplify right side
152,310.84x = 9,136,143,163.41 - Step 5: Solve for x
x = 9,136,143,163.41/152,310.84 - Step 6: Final answer
x = 59,983.54
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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.