Finding the Fourth Proportional to 400,392.12, 552,541.08 and 219,104.08
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Solution
The fourth proportional to 400,392.12, 552,541.08 and 219,104.08 is: 302,363.61
Step by Step Solution
- Step 1: Write the proportion equation
400,392.12 : 552,541.08 = 219,104.08 : x - Step 2: Convert to fraction form
400,392.12/552,541.08 = 219,104.08/x - Step 3: Cross multiply
400,392.12x = 552,541.08 × 219,104.08 - Step 4: Simplify right side
400,392.12x = 121,064,004,995.61 - Step 5: Solve for x
x = 121,064,004,995.61/400,392.12 - Step 6: Final answer
x = 302,363.61
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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.