Finding the Fourth Proportional to 353,540.76, 487,881.18 and 194,564.76
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Solution
The fourth proportional to 353,540.76, 487,881.18 and 194,564.76 is: 268,496.58
Step by Step Solution
- Step 1: Write the proportion equation
353,540.76 : 487,881.18 = 194,564.76 : x - Step 2: Convert to fraction form
353,540.76/487,881.18 = 194,564.76/x - Step 3: Cross multiply
353,540.76x = 487,881.18 × 194,564.76 - Step 4: Simplify right side
353,540.76x = 94,924,484,695.22 - Step 5: Solve for x
x = 94,924,484,695.22/353,540.76 - Step 6: Final answer
x = 268,496.58
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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.