Finding the Fourth Proportional to 406,060.76, 608,972.88 and 121,739.96
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Solution
The fourth proportional to 406,060.76, 608,972.88 and 121,739.96 is: 182,574.49
Step by Step Solution
- Step 1: Write the proportion equation
406,060.76 : 608,972.88 = 121,739.96 : x - Step 2: Convert to fraction form
406,060.76/608,972.88 = 121,739.96/x - Step 3: Cross multiply
406,060.76x = 608,972.88 × 121,739.96 - Step 4: Simplify right side
406,060.76x = 74,136,336,031.24 - Step 5: Solve for x
x = 74,136,336,031.24/406,060.76 - Step 6: Final answer
x = 182,574.49
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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.