Finding the Fourth Proportional to 502,107.26, 692,907.14 and 275,752.76
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Solution
The fourth proportional to 502,107.26, 692,907.14 and 275,752.76 is: 380,538.33
Step by Step Solution
- Step 1: Write the proportion equation
502,107.26 : 692,907.14 = 275,752.76 : x - Step 2: Convert to fraction form
502,107.26/692,907.14 = 275,752.76/x - Step 3: Cross multiply
502,107.26x = 692,907.14 × 275,752.76 - Step 4: Simplify right side
502,107.26x = 191,071,056,278.71 - Step 5: Solve for x
x = 191,071,056,278.71/502,107.26 - Step 6: Final answer
x = 380,538.33
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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.