Finding the Fourth Proportional to 502,107.17, 692,603.61 and 298,023.62
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Solution
The fourth proportional to 502,107.17, 692,603.61 and 298,023.62 is: 411,091.99
Step by Step Solution
- Step 1: Write the proportion equation
502,107.17 : 692,603.61 = 298,023.62 : x - Step 2: Convert to fraction form
502,107.17/692,603.61 = 298,023.62/x - Step 3: Cross multiply
502,107.17x = 692,603.61 × 298,023.62 - Step 4: Simplify right side
502,107.17x = 206,412,235,077.27 - Step 5: Solve for x
x = 206,412,235,077.27/502,107.17 - Step 6: Final answer
x = 411,091.99
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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.