Finding the Fourth Proportional to 587,106.05, 881,053.34 and 213,129.05
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Solution
The fourth proportional to 587,106.05, 881,053.34 and 213,129.05 is: 319,836.69
Step by Step Solution
- Step 1: Write the proportion equation
587,106.05 : 881,053.34 = 213,129.05 : x - Step 2: Convert to fraction form
587,106.05/881,053.34 = 213,129.05/x - Step 3: Cross multiply
587,106.05x = 881,053.34 × 213,129.05 - Step 4: Simplify right side
587,106.05x = 187,778,055,882.62 - Step 5: Solve for x
x = 187,778,055,882.62/587,106.05 - Step 6: Final answer
x = 319,836.69
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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.