Finding the Fourth Proportional to 445,656.84, 668,413.62 and 130,039.80
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Solution
The fourth proportional to 445,656.84, 668,413.62 and 130,039.80 is: 195,038.80
Step by Step Solution
- Step 1: Write the proportion equation
445,656.84 : 668,413.62 = 130,039.80 : x - Step 2: Convert to fraction form
445,656.84/668,413.62 = 130,039.80/x - Step 3: Cross multiply
445,656.84x = 668,413.62 × 130,039.80 - Step 4: Simplify right side
445,656.84x = 86,920,373,462.08 - Step 5: Solve for x
x = 86,920,373,462.08/445,656.84 - Step 6: Final answer
x = 195,038.80
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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.