Finding the Fourth Proportional to 638,746.16, 958,374.84 and 259,696.00
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Solution
The fourth proportional to 638,746.16, 958,374.84 and 259,696.00 is: 389,647.92
Step by Step Solution
- Step 1: Write the proportion equation
638,746.16 : 958,374.84 = 259,696.00 : x - Step 2: Convert to fraction form
638,746.16/958,374.84 = 259,696.00/x - Step 3: Cross multiply
638,746.16x = 958,374.84 × 259,696.00 - Step 4: Simplify right side
638,746.16x = 248,886,110,464.25 - Step 5: Solve for x
x = 248,886,110,464.25/638,746.16 - Step 6: Final answer
x = 389,647.92
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.