Finding the Fourth Proportional to 358,866.99, 538,300.50 and 106,127.80
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Solution
The fourth proportional to 358,866.99, 538,300.50 and 106,127.80 is: 159,191.70
Step by Step Solution
- Step 1: Write the proportion equation
358,866.99 : 538,300.50 = 106,127.80 : x - Step 2: Convert to fraction form
358,866.99/538,300.50 = 106,127.80/x - Step 3: Cross multiply
358,866.99x = 538,300.50 × 106,127.80 - Step 4: Simplify right side
358,866.99x = 57,128,646,458.15 - Step 5: Solve for x
x = 57,128,646,458.15/358,866.99 - Step 6: Final answer
x = 159,191.70
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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.