Finding the Fourth Proportional to 435,956.14, 653,971.74 and 120,413.08
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Solution
The fourth proportional to 435,956.14, 653,971.74 and 120,413.08 is: 180,629.99
Step by Step Solution
- Step 1: Write the proportion equation
435,956.14 : 653,971.74 = 120,413.08 : x - Step 2: Convert to fraction form
435,956.14/653,971.74 = 120,413.08/x - Step 3: Cross multiply
435,956.14x = 653,971.74 × 120,413.08 - Step 4: Simplify right side
435,956.14x = 78,746,751,446.36 - Step 5: Solve for x
x = 78,746,751,446.36/435,956.14 - Step 6: Final answer
x = 180,629.99
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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.