Finding the Fourth Proportional to 497,475.33, 686,518.26 and 282,627.18
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Solution
The fourth proportional to 497,475.33, 686,518.26 and 282,627.18 is: 390,026.82
Step by Step Solution
- Step 1: Write the proportion equation
497,475.33 : 686,518.26 = 282,627.18 : x - Step 2: Convert to fraction form
497,475.33/686,518.26 = 282,627.18/x - Step 3: Cross multiply
497,475.33x = 686,518.26 × 282,627.18 - Step 4: Simplify right side
497,475.33x = 194,028,719,842.31 - Step 5: Solve for x
x = 194,028,719,842.31/497,475.33 - Step 6: Final answer
x = 390,026.82
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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.