Finding the Fourth Proportional to 302,510.80, 453,660.39 and 89,221.99
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Solution
The fourth proportional to 302,510.80, 453,660.39 and 89,221.99 is: 133,801.78
Step by Step Solution
- Step 1: Write the proportion equation
302,510.80 : 453,660.39 = 89,221.99 : x - Step 2: Convert to fraction form
302,510.80/453,660.39 = 89,221.99/x - Step 3: Cross multiply
302,510.80x = 453,660.39 × 89,221.99 - Step 4: Simplify right side
302,510.80x = 40,476,482,779.98 - Step 5: Solve for x
x = 40,476,482,779.98/302,510.80 - Step 6: Final answer
x = 133,801.78
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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.