Finding the Fourth Proportional to 369,131.99, 553,397.87 and 155,762.19
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Solution
The fourth proportional to 369,131.99, 553,397.87 and 155,762.19 is: 233,516.65
Step by Step Solution
- Step 1: Write the proportion equation
369,131.99 : 553,397.87 = 155,762.19 : x - Step 2: Convert to fraction form
369,131.99/553,397.87 = 155,762.19/x - Step 3: Cross multiply
369,131.99x = 553,397.87 × 155,762.19 - Step 4: Simplify right side
369,131.99x = 86,198,464,561.94 - Step 5: Solve for x
x = 86,198,464,561.94/369,131.99 - Step 6: Final answer
x = 233,516.65
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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.