Finding the Fourth Proportional to 346,864.41, 520,284.74 and 147,056.13
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Solution
The fourth proportional to 346,864.41, 520,284.74 and 147,056.13 is: 220,579.16
Step by Step Solution
- Step 1: Write the proportion equation
346,864.41 : 520,284.74 = 147,056.13 : x - Step 2: Convert to fraction form
346,864.41/520,284.74 = 147,056.13/x - Step 3: Cross multiply
346,864.41x = 520,284.74 × 147,056.13 - Step 4: Simplify right side
346,864.41x = 76,511,059,627.18 - Step 5: Solve for x
x = 76,511,059,627.18/346,864.41 - Step 6: Final answer
x = 220,579.16
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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.