Finding the Fourth Proportional to 578,546.64, 867,794.56 and 157,821.12
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Solution
The fourth proportional to 578,546.64, 867,794.56 and 157,821.12 is: 236,724.75
Step by Step Solution
- Step 1: Write the proportion equation
578,546.64 : 867,794.56 = 157,821.12 : x - Step 2: Convert to fraction form
578,546.64/867,794.56 = 157,821.12/x - Step 3: Cross multiply
578,546.64x = 867,794.56 × 157,821.12 - Step 4: Simplify right side
578,546.64x = 136,956,309,389.11 - Step 5: Solve for x
x = 136,956,309,389.11/578,546.64 - Step 6: Final answer
x = 236,724.75
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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.