Finding the Fourth Proportional to 278,326.24, 384,092.40 and 163,574.08
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Solution
The fourth proportional to 278,326.24, 384,092.40 and 163,574.08 is: 225,733.52
Step by Step Solution
- Step 1: Write the proportion equation
278,326.24 : 384,092.40 = 163,574.08 : x - Step 2: Convert to fraction form
278,326.24/384,092.40 = 163,574.08/x - Step 3: Cross multiply
278,326.24x = 384,092.40 × 163,574.08 - Step 4: Simplify right side
278,326.24x = 62,827,560,964.99 - Step 5: Solve for x
x = 62,827,560,964.99/278,326.24 - Step 6: Final answer
x = 225,733.52
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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.