Finding the Fourth Proportional to 457,432.19, 631,260.14 and 253,486.54
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Solution
The fourth proportional to 457,432.19, 631,260.14 and 253,486.54 is: 349,813.48
Step by Step Solution
- Step 1: Write the proportion equation
457,432.19 : 631,260.14 = 253,486.54 : x - Step 2: Convert to fraction form
457,432.19/631,260.14 = 253,486.54/x - Step 3: Cross multiply
457,432.19x = 631,260.14 × 253,486.54 - Step 4: Simplify right side
457,432.19x = 160,015,945,882.93 - Step 5: Solve for x
x = 160,015,945,882.93/457,432.19 - Step 6: Final answer
x = 349,813.48
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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.