Finding the Fourth Proportional to 457,303.88, 631,028.29 and 253,304.19
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Solution
The fourth proportional to 457,303.88, 631,028.29 and 253,304.19 is: 349,531.50
Step by Step Solution
- Step 1: Write the proportion equation
457,303.88 : 631,028.29 = 253,304.19 : x - Step 2: Convert to fraction form
457,303.88/631,028.29 = 253,304.19/x - Step 3: Cross multiply
457,303.88x = 631,028.29 × 253,304.19 - Step 4: Simplify right side
457,303.88x = 159,842,109,865.54 - Step 5: Solve for x
x = 159,842,109,865.54/457,303.88 - Step 6: Final answer
x = 349,531.50
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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.