Finding the Fourth Proportional to 471,994.35, 651,349.65 and 257,133.90
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Solution
The fourth proportional to 471,994.35, 651,349.65 and 257,133.90 is: 354,843.39
Step by Step Solution
- Step 1: Write the proportion equation
471,994.35 : 651,349.65 = 257,133.90 : x - Step 2: Convert to fraction form
471,994.35/651,349.65 = 257,133.90/x - Step 3: Cross multiply
471,994.35x = 651,349.65 × 257,133.90 - Step 4: Simplify right side
471,994.35x = 167,484,075,768.14 - Step 5: Solve for x
x = 167,484,075,768.14/471,994.35 - Step 6: Final answer
x = 354,843.39
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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.