Finding the Fourth Proportional to 210,221.02, 315,143.99 and 77,070.19
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Solution
The fourth proportional to 210,221.02, 315,143.99 and 77,070.19 is: 115,536.53
Step by Step Solution
- Step 1: Write the proportion equation
210,221.02 : 315,143.99 = 77,070.19 : x - Step 2: Convert to fraction form
210,221.02/315,143.99 = 77,070.19/x - Step 3: Cross multiply
210,221.02x = 315,143.99 × 77,070.19 - Step 4: Simplify right side
210,221.02x = 24,288,207,186.66 - Step 5: Solve for x
x = 24,288,207,186.66/210,221.02 - Step 6: Final answer
x = 115,536.53
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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.