Finding the Fourth Proportional to 331,953.99, 497,675.76 and 171,858.30
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Solution
The fourth proportional to 331,953.99, 497,675.76 and 171,858.30 is: 257,655.32
Step by Step Solution
- Step 1: Write the proportion equation
331,953.99 : 497,675.76 = 171,858.30 : x - Step 2: Convert to fraction form
331,953.99/497,675.76 = 171,858.30/x - Step 3: Cross multiply
331,953.99x = 497,675.76 × 171,858.30 - Step 4: Simplify right side
331,953.99x = 85,529,710,064.81 - Step 5: Solve for x
x = 85,529,710,064.81/331,953.99 - Step 6: Final answer
x = 257,655.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.