Finding the Fourth Proportional to 107,322.84, 160,987.30 and 28,437.08
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Solution
The fourth proportional to 107,322.84, 160,987.30 and 28,437.08 is: 42,656.42
Step by Step Solution
- Step 1: Write the proportion equation
107,322.84 : 160,987.30 = 28,437.08 : x - Step 2: Convert to fraction form
107,322.84/160,987.30 = 28,437.08/x - Step 3: Cross multiply
107,322.84x = 160,987.30 × 28,437.08 - Step 4: Simplify right side
107,322.84x = 4,578,007,853.05 - Step 5: Solve for x
x = 4,578,007,853.05/107,322.84 - Step 6: Final answer
x = 42,656.42
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1.5x scale
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.