Finding the Fourth Proportional to 468,112.53, 645,993.62 and 253,252.65
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Solution
The fourth proportional to 468,112.53, 645,993.62 and 253,252.65 is: 349,487.75
Step by Step Solution
- Step 1: Write the proportion equation
468,112.53 : 645,993.62 = 253,252.65 : x - Step 2: Convert to fraction form
468,112.53/645,993.62 = 253,252.65/x - Step 3: Cross multiply
468,112.53x = 645,993.62 × 253,252.65 - Step 4: Simplify right side
468,112.53x = 163,599,596,148.09 - Step 5: Solve for x
x = 163,599,596,148.09/468,112.53 - Step 6: Final answer
x = 349,487.75
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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.