Finding the Fourth Proportional to 551,161.43, 826,420.37 and 213,807.88
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Solution
The fourth proportional to 551,161.43, 826,420.37 and 213,807.88 is: 320,587.00
Step by Step Solution
- Step 1: Write the proportion equation
551,161.43 : 826,420.37 = 213,807.88 : x - Step 2: Convert to fraction form
551,161.43/826,420.37 = 213,807.88/x - Step 3: Cross multiply
551,161.43x = 826,420.37 × 213,807.88 - Step 4: Simplify right side
551,161.43x = 176,695,187,298.52 - Step 5: Solve for x
x = 176,695,187,298.52/551,161.43 - Step 6: Final answer
x = 320,587.00
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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.