Finding the Fourth Proportional to 386,125.20, 578,842.20 and 149,389.20
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Solution
The fourth proportional to 386,125.20, 578,842.20 and 149,389.20 is: 223,950.09
Step by Step Solution
- Step 1: Write the proportion equation
386,125.20 : 578,842.20 = 149,389.20 : x - Step 2: Convert to fraction form
386,125.20/578,842.20 = 149,389.20/x - Step 3: Cross multiply
386,125.20x = 578,842.20 × 149,389.20 - Step 4: Simplify right side
386,125.20x = 86,472,773,184.24 - Step 5: Solve for x
x = 86,472,773,184.24/386,125.20 - Step 6: Final answer
x = 223,950.09
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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.