Finding the Fourth Proportional to 319,203.99, 440,502.84 and 175,960.89
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Solution
The fourth proportional to 319,203.99, 440,502.84 and 175,960.89 is: 242,826.76
Step by Step Solution
- Step 1: Write the proportion equation
319,203.99 : 440,502.84 = 175,960.89 : x - Step 2: Convert to fraction form
319,203.99/440,502.84 = 175,960.89/x - Step 3: Cross multiply
319,203.99x = 440,502.84 × 175,960.89 - Step 4: Simplify right side
319,203.99x = 77,511,271,773.93 - Step 5: Solve for x
x = 77,511,271,773.93/319,203.99 - Step 6: Final answer
x = 242,826.76
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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.