Finding the Fourth Proportional to 312,335.44, 468,695.86 and 122,762.50
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Solution
The fourth proportional to 312,335.44, 468,695.86 and 122,762.50 is: 184,219.49
Step by Step Solution
- Step 1: Write the proportion equation
312,335.44 : 468,695.86 = 122,762.50 : x - Step 2: Convert to fraction form
312,335.44/468,695.86 = 122,762.50/x - Step 3: Cross multiply
312,335.44x = 468,695.86 × 122,762.50 - Step 4: Simplify right side
312,335.44x = 57,538,275,513.25 - Step 5: Solve for x
x = 57,538,275,513.25/312,335.44 - Step 6: Final answer
x = 184,219.49
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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.