Finding the Fourth Proportional to 456,655.21, 684,968.63 and 216,941.63
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Solution
The fourth proportional to 456,655.21, 684,968.63 and 216,941.63 is: 325,405.70
Step by Step Solution
- Step 1: Write the proportion equation
456,655.21 : 684,968.63 = 216,941.63 : x - Step 2: Convert to fraction form
456,655.21/684,968.63 = 216,941.63/x - Step 3: Cross multiply
456,655.21x = 684,968.63 × 216,941.63 - Step 4: Simplify right side
456,655.21x = 148,598,206,581.52 - Step 5: Solve for x
x = 148,598,206,581.52/456,655.21 - Step 6: Final answer
x = 325,405.70
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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.