Finding the Fourth Proportional to 455,737.12, 628,954.08 and 251,805.92
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Solution
The fourth proportional to 455,737.12, 628,954.08 and 251,805.92 is: 347,512.53
Step by Step Solution
- Step 1: Write the proportion equation
455,737.12 : 628,954.08 = 251,805.92 : x - Step 2: Convert to fraction form
455,737.12/628,954.08 = 251,805.92/x - Step 3: Cross multiply
455,737.12x = 628,954.08 × 251,805.92 - Step 4: Simplify right side
455,737.12x = 158,374,360,752.15 - Step 5: Solve for x
x = 158,374,360,752.15/455,737.12 - Step 6: Final answer
x = 347,512.53
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.