Finding the Fourth Proportional to 317,760.28, 438,326.16 and 190,362.08
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Solution
The fourth proportional to 317,760.28, 438,326.16 and 190,362.08 is: 262,590.02
Step by Step Solution
- Step 1: Write the proportion equation
317,760.28 : 438,326.16 = 190,362.08 : x - Step 2: Convert to fraction form
317,760.28/438,326.16 = 190,362.08/x - Step 3: Cross multiply
317,760.28x = 438,326.16 × 190,362.08 - Step 4: Simplify right side
317,760.28x = 83,440,679,536.01 - Step 5: Solve for x
x = 83,440,679,536.01/317,760.28 - Step 6: Final answer
x = 262,590.02
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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.