Finding the Fourth Proportional to 229,485.06, 316,698.12 and 127,518.08
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Solution
The fourth proportional to 229,485.06, 316,698.12 and 127,518.08 is: 175,979.80
Step by Step Solution
- Step 1: Write the proportion equation
229,485.06 : 316,698.12 = 127,518.08 : x - Step 2: Convert to fraction form
229,485.06/316,698.12 = 127,518.08/x - Step 3: Cross multiply
229,485.06x = 316,698.12 × 127,518.08 - Step 4: Simplify right side
229,485.06x = 40,384,734,618.52 - Step 5: Solve for x
x = 40,384,734,618.52/229,485.06 - Step 6: Final answer
x = 175,979.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.