Finding the Fourth Proportional to 302,934.34, 454,493.80 and 143,132.99
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Solution
The fourth proportional to 302,934.34, 454,493.80 and 143,132.99 is: 214,743.08
Step by Step Solution
- Step 1: Write the proportion equation
302,934.34 : 454,493.80 = 143,132.99 : x - Step 2: Convert to fraction form
302,934.34/454,493.80 = 143,132.99/x - Step 3: Cross multiply
302,934.34x = 454,493.80 × 143,132.99 - Step 4: Simplify right side
302,934.34x = 65,053,054,436.91 - Step 5: Solve for x
x = 65,053,054,436.91/302,934.34 - Step 6: Final answer
x = 214,743.08
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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.