Finding the Fourth Proportional to 309,959.04, 464,530.08 and 122,868.48
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Solution
The fourth proportional to 309,959.04, 464,530.08 and 122,868.48 is: 184,140.80
Step by Step Solution
- Step 1: Write the proportion equation
309,959.04 : 464,530.08 = 122,868.48 : x - Step 2: Convert to fraction form
309,959.04/464,530.08 = 122,868.48/x - Step 3: Cross multiply
309,959.04x = 464,530.08 × 122,868.48 - Step 4: Simplify right side
309,959.04x = 57,076,104,843.88 - Step 5: Solve for x
x = 57,076,104,843.88/309,959.04 - Step 6: Final answer
x = 184,140.80
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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.