Finding the Fourth Proportional to 239,008.47, 358,574.19 and 70,521.99
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Solution
The fourth proportional to 239,008.47, 358,574.19 and 70,521.99 is: 105,801.13
Step by Step Solution
- Step 1: Write the proportion equation
239,008.47 : 358,574.19 = 70,521.99 : x - Step 2: Convert to fraction form
239,008.47/358,574.19 = 70,521.99/x - Step 3: Cross multiply
239,008.47x = 358,574.19 × 70,521.99 - Step 4: Simplify right side
239,008.47x = 25,287,365,441.44 - Step 5: Solve for x
x = 25,287,365,441.44/239,008.47 - Step 6: Final answer
x = 105,801.13
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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.