Finding the Fourth Proportional to 512,966.66, 769,463.14 and 243,031.62
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Solution
The fourth proportional to 512,966.66, 769,463.14 and 243,031.62 is: 364,553.66
Step by Step Solution
- Step 1: Write the proportion equation
512,966.66 : 769,463.14 = 243,031.62 : x - Step 2: Convert to fraction form
512,966.66/769,463.14 = 243,031.62/x - Step 3: Cross multiply
512,966.66x = 769,463.14 × 243,031.62 - Step 4: Simplify right side
512,966.66x = 187,003,873,444.49 - Step 5: Solve for x
x = 187,003,873,444.49/512,966.66 - Step 6: Final answer
x = 364,553.66
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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.