Finding the Fourth Proportional to 455,970.92, 683,968.06 and 216,028.64
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Solution
The fourth proportional to 455,970.92, 683,968.06 and 216,028.64 is: 324,048.49
Step by Step Solution
- Step 1: Write the proportion equation
455,970.92 : 683,968.06 = 216,028.64 : x - Step 2: Convert to fraction form
455,970.92/683,968.06 = 216,028.64/x - Step 3: Cross multiply
455,970.92x = 683,968.06 × 216,028.64 - Step 4: Simplify right side
455,970.92x = 147,756,689,805.24 - Step 5: Solve for x
x = 147,756,689,805.24/455,970.92 - Step 6: Final answer
x = 324,048.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.