Finding the Fourth Proportional to 236,943.69, 355,477.77 and 85,156.08
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Solution
The fourth proportional to 236,943.69, 355,477.77 and 85,156.08 is: 127,756.49
Step by Step Solution
- Step 1: Write the proportion equation
236,943.69 : 355,477.77 = 85,156.08 : x - Step 2: Convert to fraction form
236,943.69/355,477.77 = 85,156.08/x - Step 3: Cross multiply
236,943.69x = 355,477.77 × 85,156.08 - Step 4: Simplify right side
236,943.69x = 30,271,094,434.05 - Step 5: Solve for x
x = 30,271,094,434.05/236,943.69 - Step 6: Final answer
x = 127,756.49
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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.