Finding the Fourth Proportional to 229,866.44, 317,035.70 and 157,312.28
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Solution
The fourth proportional to 229,866.44, 317,035.70 and 157,312.28 is: 216,967.77
Step by Step Solution
- Step 1: Write the proportion equation
229,866.44 : 317,035.70 = 157,312.28 : x - Step 2: Convert to fraction form
229,866.44/317,035.70 = 157,312.28/x - Step 3: Cross multiply
229,866.44x = 317,035.70 × 157,312.28 - Step 4: Simplify right side
229,866.44x = 49,873,608,808.40 - Step 5: Solve for x
x = 49,873,608,808.40/229,866.44 - Step 6: Final answer
x = 216,967.77
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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.