Finding the Fourth Proportional to 502,072.91, 692,858.07 and 272,628.19
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Solution
The fourth proportional to 502,072.91, 692,858.07 and 272,628.19 is: 376,225.52
Step by Step Solution
- Step 1: Write the proportion equation
502,072.91 : 692,858.07 = 272,628.19 : x - Step 2: Convert to fraction form
502,072.91/692,858.07 = 272,628.19/x - Step 3: Cross multiply
502,072.91x = 692,858.07 × 272,628.19 - Step 4: Simplify right side
502,072.91x = 188,892,641,550.99 - Step 5: Solve for x
x = 188,892,641,550.99/502,072.91 - Step 6: Final answer
x = 376,225.52
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1.5x scale
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.