Finding the Fourth Proportional to 374,814.12, 562,296.30 and 138,157.80
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Solution
The fourth proportional to 374,814.12, 562,296.30 and 138,157.80 is: 207,264.39
Step by Step Solution
- Step 1: Write the proportion equation
374,814.12 : 562,296.30 = 138,157.80 : x - Step 2: Convert to fraction form
374,814.12/562,296.30 = 138,157.80/x - Step 3: Cross multiply
374,814.12x = 562,296.30 × 138,157.80 - Step 4: Simplify right side
374,814.12x = 77,685,619,756.14 - Step 5: Solve for x
x = 77,685,619,756.14/374,814.12 - Step 6: Final answer
x = 207,264.39
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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.