Finding the Fourth Proportional to 578,260.58, 868,186.84 and 294,143.40
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Solution
The fourth proportional to 578,260.58, 868,186.84 and 294,143.40 is: 441,619.99
Step by Step Solution
- Step 1: Write the proportion equation
578,260.58 : 868,186.84 = 294,143.40 : x - Step 2: Convert to fraction form
578,260.58/868,186.84 = 294,143.40/x - Step 3: Cross multiply
578,260.58x = 868,186.84 × 294,143.40 - Step 4: Simplify right side
578,260.58x = 255,371,428,952.86 - Step 5: Solve for x
x = 255,371,428,952.86/578,260.58 - Step 6: Final answer
x = 441,619.99
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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.