Finding the Fourth Proportional to 406,959.96, 561,594.08 and 225,671.31
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Solution
The fourth proportional to 406,959.96, 561,594.08 and 225,671.31 is: 311,420.49
Step by Step Solution
- Step 1: Write the proportion equation
406,959.96 : 561,594.08 = 225,671.31 : x - Step 2: Convert to fraction form
406,959.96/561,594.08 = 225,671.31/x - Step 3: Cross multiply
406,959.96x = 561,594.08 × 225,671.31 - Step 4: Simplify right side
406,959.96x = 126,735,670,593.49 - Step 5: Solve for x
x = 126,735,670,593.49/406,959.96 - Step 6: Final answer
x = 311,420.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.