Finding the Fourth Proportional to 268,840.08, 370,996.74 and 147,979.98
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Solution
The fourth proportional to 268,840.08, 370,996.74 and 147,979.98 is: 204,210.96
Step by Step Solution
- Step 1: Write the proportion equation
268,840.08 : 370,996.74 = 147,979.98 : x - Step 2: Convert to fraction form
268,840.08/370,996.74 = 147,979.98/x - Step 3: Cross multiply
268,840.08x = 370,996.74 × 147,979.98 - Step 4: Simplify right side
268,840.08x = 54,900,090,165.27 - Step 5: Solve for x
x = 54,900,090,165.27/268,840.08 - Step 6: Final answer
x = 204,210.96
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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.