Finding the Fourth Proportional to 484,444.21, 668,523.12 and 303,256.06
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Solution
The fourth proportional to 484,444.21, 668,523.12 and 303,256.06 is: 418,487.17
Step by Step Solution
- Step 1: Write the proportion equation
484,444.21 : 668,523.12 = 303,256.06 : x - Step 2: Convert to fraction form
484,444.21/668,523.12 = 303,256.06/x - Step 3: Cross multiply
484,444.21x = 668,523.12 × 303,256.06 - Step 4: Simplify right side
484,444.21x = 202,733,687,390.11 - Step 5: Solve for x
x = 202,733,687,390.11/484,444.21 - Step 6: Final answer
x = 418,487.17
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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.