Finding the Fourth Proportional to 328,328.71, 453,164.07 and 207,393.09
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Solution
The fourth proportional to 328,328.71, 453,164.07 and 207,393.09 is: 286,246.96
Step by Step Solution
- Step 1: Write the proportion equation
328,328.71 : 453,164.07 = 207,393.09 : x - Step 2: Convert to fraction form
328,328.71/453,164.07 = 207,393.09/x - Step 3: Cross multiply
328,328.71x = 453,164.07 × 207,393.09 - Step 4: Simplify right side
328,328.71x = 93,983,096,754.28 - Step 5: Solve for x
x = 93,983,096,754.28/328,328.71 - Step 6: Final answer
x = 286,246.96
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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.