Finding the Fourth Proportional to 387,526.24, 579,045.24 and 297,074.08
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Solution
The fourth proportional to 387,526.24, 579,045.24 and 297,074.08 is: 443,890.80
Step by Step Solution
- Step 1: Write the proportion equation
387,526.24 : 579,045.24 = 297,074.08 : x - Step 2: Convert to fraction form
387,526.24/579,045.24 = 297,074.08/x - Step 3: Cross multiply
387,526.24x = 579,045.24 × 297,074.08 - Step 4: Simplify right side
387,526.24x = 172,019,331,951.38 - Step 5: Solve for x
x = 172,019,331,951.38/387,526.24 - Step 6: Final answer
x = 443,890.80
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.