Finding the Fourth Proportional to 270,920.40, 406,407.36 and 93,404.08
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Solution
The fourth proportional to 270,920.40, 406,407.36 and 93,404.08 is: 140,115.35
Step by Step Solution
- Step 1: Write the proportion equation
270,920.40 : 406,407.36 = 93,404.08 : x - Step 2: Convert to fraction form
270,920.40/406,407.36 = 93,404.08/x - Step 3: Cross multiply
270,920.40x = 406,407.36 × 93,404.08 - Step 4: Simplify right side
270,920.40x = 37,960,105,566.03 - Step 5: Solve for x
x = 37,960,105,566.03/270,920.40 - Step 6: Final answer
x = 140,115.35
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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.