Finding the Fourth Proportional to 346,393.99, 477,981.52 and 193,440.68
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Solution
The fourth proportional to 346,393.99, 477,981.52 and 193,440.68 is: 266,924.58
Step by Step Solution
- Step 1: Write the proportion equation
346,393.99 : 477,981.52 = 193,440.68 : x - Step 2: Convert to fraction form
346,393.99/477,981.52 = 193,440.68/x - Step 3: Cross multiply
346,393.99x = 477,981.52 × 193,440.68 - Step 4: Simplify right side
346,393.99x = 92,461,070,256.23 - Step 5: Solve for x
x = 92,461,070,256.23/346,393.99 - Step 6: Final answer
x = 266,924.58
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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.