Finding the Fourth Proportional to 236,130.94, 325,860.94 and 128,701.06
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Solution
The fourth proportional to 236,130.94, 325,860.94 and 128,701.06 is: 177,607.59
Step by Step Solution
- Step 1: Write the proportion equation
236,130.94 : 325,860.94 = 128,701.06 : x - Step 2: Convert to fraction form
236,130.94/325,860.94 = 128,701.06/x - Step 3: Cross multiply
236,130.94x = 325,860.94 × 128,701.06 - Step 4: Simplify right side
236,130.94x = 41,938,646,439.54 - Step 5: Solve for x
x = 41,938,646,439.54/236,130.94 - Step 6: Final answer
x = 177,607.59
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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.