Finding the Fourth Proportional to 400,995.55, 553,373.68 and 239,888.44
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Solution
The fourth proportional to 400,995.55, 553,373.68 and 239,888.44 is: 331,045.94
Step by Step Solution
- Step 1: Write the proportion equation
400,995.55 : 553,373.68 = 239,888.44 : x - Step 2: Convert to fraction form
400,995.55/553,373.68 = 239,888.44/x - Step 3: Cross multiply
400,995.55x = 553,373.68 × 239,888.44 - Step 4: Simplify right side
400,995.55x = 132,747,948,832.26 - Step 5: Solve for x
x = 132,747,948,832.26/400,995.55 - Step 6: Final answer
x = 331,045.94
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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.