Finding the Fourth Proportional to 509,978.73, 765,134.52 and 243,759.99
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Solution
The fourth proportional to 509,978.73, 765,134.52 and 243,759.99 is: 365,719.53
Step by Step Solution
- Step 1: Write the proportion equation
509,978.73 : 765,134.52 = 243,759.99 : x - Step 2: Convert to fraction form
509,978.73/765,134.52 = 243,759.99/x - Step 3: Cross multiply
509,978.73x = 765,134.52 × 243,759.99 - Step 4: Simplify right side
509,978.73x = 186,509,182,943.86 - Step 5: Solve for x
x = 186,509,182,943.86/509,978.73 - Step 6: Final answer
x = 365,719.53
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.