Finding the Fourth Proportional to 302,960.99, 418,089.09 and 167,000.18
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Solution
The fourth proportional to 302,960.99, 418,089.09 and 167,000.18 is: 230,461.86
Step by Step Solution
- Step 1: Write the proportion equation
302,960.99 : 418,089.09 = 167,000.18 : x - Step 2: Convert to fraction form
302,960.99/418,089.09 = 167,000.18/x - Step 3: Cross multiply
302,960.99x = 418,089.09 × 167,000.18 - Step 4: Simplify right side
302,960.99x = 69,820,953,286.04 - Step 5: Solve for x
x = 69,820,953,286.04/302,960.99 - Step 6: Final answer
x = 230,461.86
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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.