Finding the Fourth Proportional to 456,246.92, 684,962.00 and 305,409.02
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Solution
The fourth proportional to 456,246.92, 684,962.00 and 305,409.02 is: 458,509.55
Step by Step Solution
- Step 1: Write the proportion equation
456,246.92 : 684,962.00 = 305,409.02 : x - Step 2: Convert to fraction form
456,246.92/684,962.00 = 305,409.02/x - Step 3: Cross multiply
456,246.92x = 684,962.00 × 305,409.02 - Step 4: Simplify right side
456,246.92x = 209,193,570,495.95 - Step 5: Solve for x
x = 209,193,570,495.95/456,246.92 - Step 6: Final answer
x = 458,509.55
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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.