Finding the Fourth Proportional to 368,396.73, 508,351.55 and 207,248.31
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Solution
The fourth proportional to 368,396.73, 508,351.55 and 207,248.31 is: 285,982.45
Step by Step Solution
- Step 1: Write the proportion equation
368,396.73 : 508,351.55 = 207,248.31 : x - Step 2: Convert to fraction form
368,396.73/508,351.55 = 207,248.31/x - Step 3: Cross multiply
368,396.73x = 508,351.55 × 207,248.31 - Step 4: Simplify right side
368,396.73x = 105,354,998,587.14 - Step 5: Solve for x
x = 105,354,998,587.14/368,396.73 - Step 6: Final answer
x = 285,982.45
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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.