Finding the Fourth Proportional to 302,509.80, 453,658.89 and 89,220.99
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Solution
The fourth proportional to 302,509.80, 453,658.89 and 89,220.99 is: 133,800.28
Step by Step Solution
- Step 1: Write the proportion equation
302,509.80 : 453,658.89 = 89,220.99 : x - Step 2: Convert to fraction form
302,509.80/453,658.89 = 89,220.99/x - Step 3: Cross multiply
302,509.80x = 453,658.89 × 89,220.99 - Step 4: Simplify right side
302,509.80x = 40,475,895,288.10 - Step 5: Solve for x
x = 40,475,895,288.10/302,509.80 - Step 6: Final answer
x = 133,800.28
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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.