Finding the Fourth Proportional to 304,733.13, 420,392.14 and 197,337.79
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Solution
The fourth proportional to 304,733.13, 420,392.14 and 197,337.79 is: 272,235.76
Step by Step Solution
- Step 1: Write the proportion equation
304,733.13 : 420,392.14 = 197,337.79 : x - Step 2: Convert to fraction form
304,733.13/420,392.14 = 197,337.79/x - Step 3: Cross multiply
304,733.13x = 420,392.14 × 197,337.79 - Step 4: Simplify right side
304,733.13x = 82,959,255,840.97 - Step 5: Solve for x
x = 82,959,255,840.97/304,733.13 - Step 6: Final answer
x = 272,235.76
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1.5x scale
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.