Finding the Fourth Proportional to 238,570.17, 357,855.36 and 112,117.62
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Solution
The fourth proportional to 238,570.17, 357,855.36 and 112,117.62 is: 168,176.48
Step by Step Solution
- Step 1: Write the proportion equation
238,570.17 : 357,855.36 = 112,117.62 : x - Step 2: Convert to fraction form
238,570.17/357,855.36 = 112,117.62/x - Step 3: Cross multiply
238,570.17x = 357,855.36 × 112,117.62 - Step 4: Simplify right side
238,570.17x = 40,121,891,267.44 - Step 5: Solve for x
x = 40,121,891,267.44/238,570.17 - Step 6: Final answer
x = 168,176.48
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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.