Finding the Fourth Proportional to 236,746.49, 355,119.73 and 86,921.95
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Solution
The fourth proportional to 236,746.49, 355,119.73 and 86,921.95 is: 130,382.92
Step by Step Solution
- Step 1: Write the proportion equation
236,746.49 : 355,119.73 = 86,921.95 : x - Step 2: Convert to fraction form
236,746.49/355,119.73 = 86,921.95/x - Step 3: Cross multiply
236,746.49x = 355,119.73 × 86,921.95 - Step 4: Simplify right side
236,746.49x = 30,867,699,415.07 - Step 5: Solve for x
x = 30,867,699,415.07/236,746.49 - Step 6: Final answer
x = 130,382.92
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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.