Finding the Fourth Proportional to 229,870.24, 317,224.80 and 127,903.84
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Solution
The fourth proportional to 229,870.24, 317,224.80 and 127,903.84 is: 176,509.45
Step by Step Solution
- Step 1: Write the proportion equation
229,870.24 : 317,224.80 = 127,903.84 : x - Step 2: Convert to fraction form
229,870.24/317,224.80 = 127,903.84/x - Step 3: Cross multiply
229,870.24x = 317,224.80 × 127,903.84 - Step 4: Simplify right side
229,870.24x = 40,574,270,063.23 - Step 5: Solve for x
x = 40,574,270,063.23/229,870.24 - Step 6: Final answer
x = 176,509.45
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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.