Finding the Fourth Proportional to 266,365.92, 399,415.12 and 88,810.08
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Solution
The fourth proportional to 266,365.92, 399,415.12 and 88,810.08 is: 133,170.52
Step by Step Solution
- Step 1: Write the proportion equation
266,365.92 : 399,415.12 = 88,810.08 : x - Step 2: Convert to fraction form
266,365.92/399,415.12 = 88,810.08/x - Step 3: Cross multiply
266,365.92x = 399,415.12 × 88,810.08 - Step 4: Simplify right side
266,365.92x = 35,472,088,760.41 - Step 5: Solve for x
x = 35,472,088,760.41/266,365.92 - Step 6: Final answer
x = 133,170.52
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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.