Finding the Fourth Proportional to 198,389.84, 297,526.84 and 58,115.28
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Solution
The fourth proportional to 198,389.84, 297,526.84 and 58,115.28 is: 87,155.95
Step by Step Solution
- Step 1: Write the proportion equation
198,389.84 : 297,526.84 = 58,115.28 : x - Step 2: Convert to fraction form
198,389.84/297,526.84 = 58,115.28/x - Step 3: Cross multiply
198,389.84x = 297,526.84 × 58,115.28 - Step 4: Simplify right side
198,389.84x = 17,290,855,614.12 - Step 5: Solve for x
x = 17,290,855,614.12/198,389.84 - Step 6: Final answer
x = 87,155.95
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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.