Finding the Fourth Proportional to 644,894.74, 967,351.67 and 245,557.65
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Solution
The fourth proportional to 644,894.74, 967,351.67 and 245,557.65 is: 368,340.12
Step by Step Solution
- Step 1: Write the proportion equation
644,894.74 : 967,351.67 = 245,557.65 : x - Step 2: Convert to fraction form
644,894.74/967,351.67 = 245,557.65/x - Step 3: Cross multiply
644,894.74x = 967,351.67 × 245,557.65 - Step 4: Simplify right side
644,894.74x = 237,540,602,808.78 - Step 5: Solve for x
x = 237,540,602,808.78/644,894.74 - Step 6: Final answer
x = 368,340.12
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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.