Finding the Fourth Proportional to 370,083.14, 554,283.93 and 289,619.65
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Solution
The fourth proportional to 370,083.14, 554,283.93 and 289,619.65 is: 433,771.49
Step by Step Solution
- Step 1: Write the proportion equation
370,083.14 : 554,283.93 = 289,619.65 : x - Step 2: Convert to fraction form
370,083.14/554,283.93 = 289,619.65/x - Step 3: Cross multiply
370,083.14x = 554,283.93 × 289,619.65 - Step 4: Simplify right side
370,083.14x = 160,531,514,973.42 - Step 5: Solve for x
x = 160,531,514,973.42/370,083.14 - Step 6: Final answer
x = 433,771.49
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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.