Finding the Fourth Proportional to 282,189.99, 388,836.93 and 262,681.95
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Solution
The fourth proportional to 282,189.99, 388,836.93 and 262,681.95 is: 361,956.29
Step by Step Solution
- Step 1: Write the proportion equation
282,189.99 : 388,836.93 = 262,681.95 : x - Step 2: Convert to fraction form
282,189.99/388,836.93 = 262,681.95/x - Step 3: Cross multiply
282,189.99x = 388,836.93 × 262,681.95 - Step 4: Simplify right side
282,189.99x = 102,140,443,004.41 - Step 5: Solve for x
x = 102,140,443,004.41/282,189.99 - Step 6: Final answer
x = 361,956.29
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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.