Finding the Fourth Proportional to 311,927.58, 430,464.98 and 175,964.18
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Solution
The fourth proportional to 311,927.58, 430,464.98 and 175,964.18 is: 242,833.34
Step by Step Solution
- Step 1: Write the proportion equation
311,927.58 : 430,464.98 = 175,964.18 : x - Step 2: Convert to fraction form
311,927.58/430,464.98 = 175,964.18/x - Step 3: Cross multiply
311,927.58x = 430,464.98 × 175,964.18 - Step 4: Simplify right side
311,927.58x = 75,746,417,224.42 - Step 5: Solve for x
x = 75,746,417,224.42/311,927.58 - Step 6: Final answer
x = 242,833.34
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.