Finding the Fourth Proportional to 219,541.11, 302,962.79 and 124,045.75
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Solution
The fourth proportional to 219,541.11, 302,962.79 and 124,045.75 is: 171,180.92
Step by Step Solution
- Step 1: Write the proportion equation
219,541.11 : 302,962.79 = 124,045.75 : x - Step 2: Convert to fraction form
219,541.11/302,962.79 = 124,045.75/x - Step 3: Cross multiply
219,541.11x = 302,962.79 × 124,045.75 - Step 4: Simplify right side
219,541.11x = 37,581,248,222.98 - Step 5: Solve for x
x = 37,581,248,222.98/219,541.11 - Step 6: Final answer
x = 171,180.92
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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.