Finding the Fourth Proportional to 536,636.76, 804,982.70 and 137,280.99
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Solution
The fourth proportional to 536,636.76, 804,982.70 and 137,280.99 is: 205,928.54
Step by Step Solution
- Step 1: Write the proportion equation
536,636.76 : 804,982.70 = 137,280.99 : x - Step 2: Convert to fraction form
536,636.76/804,982.70 = 137,280.99/x - Step 3: Cross multiply
536,636.76x = 804,982.70 × 137,280.99 - Step 4: Simplify right side
536,636.76x = 110,508,821,988.87 - Step 5: Solve for x
x = 110,508,821,988.87/536,636.76 - Step 6: Final answer
x = 205,928.54
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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.