Finding the Fourth Proportional to 235,614.11, 325,148.88 and 128,184.91
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Solution
The fourth proportional to 235,614.11, 325,148.88 and 128,184.91 is: 176,895.95
Step by Step Solution
- Step 1: Write the proportion equation
235,614.11 : 325,148.88 = 128,184.91 : x - Step 2: Convert to fraction form
235,614.11/325,148.88 = 128,184.91/x - Step 3: Cross multiply
235,614.11x = 325,148.88 × 128,184.91 - Step 4: Simplify right side
235,614.11x = 41,679,181,416.18 - Step 5: Solve for x
x = 41,679,181,416.18/235,614.11 - Step 6: Final answer
x = 176,895.95
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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.