Finding the Fourth Proportional to 400,594.12, 552,832.93 and 219,305.99
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Solution
The fourth proportional to 400,594.12, 552,832.93 and 219,305.99 is: 302,649.41
Step by Step Solution
- Step 1: Write the proportion equation
400,594.12 : 552,832.93 = 219,305.99 : x - Step 2: Convert to fraction form
400,594.12/552,832.93 = 219,305.99/x - Step 3: Cross multiply
400,594.12x = 552,832.93 × 219,305.99 - Step 4: Simplify right side
400,594.12x = 121,239,574,674.47 - Step 5: Solve for x
x = 121,239,574,674.47/400,594.12 - Step 6: Final answer
x = 302,649.41
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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.