Finding the Fourth Proportional to 557,943.62, 836,994.28 and 178,775.70
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Solution
The fourth proportional to 557,943.62, 836,994.28 and 178,775.70 is: 268,188.82
Step by Step Solution
- Step 1: Write the proportion equation
557,943.62 : 836,994.28 = 178,775.70 : x - Step 2: Convert to fraction form
557,943.62/836,994.28 = 178,775.70/x - Step 3: Cross multiply
557,943.62x = 836,994.28 × 178,775.70 - Step 4: Simplify right side
557,943.62x = 149,634,238,303.00 - Step 5: Solve for x
x = 149,634,238,303.00/557,943.62 - Step 6: Final answer
x = 268,188.82
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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.