Finding the Fourth Proportional to 236,175.84, 325,922.40 and 128,746.08
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Solution
The fourth proportional to 236,175.84, 325,922.40 and 128,746.08 is: 177,669.45
Step by Step Solution
- Step 1: Write the proportion equation
236,175.84 : 325,922.40 = 128,746.08 : x - Step 2: Convert to fraction form
236,175.84/325,922.40 = 128,746.08/x - Step 3: Cross multiply
236,175.84x = 325,922.40 × 128,746.08 - Step 4: Simplify right side
236,175.84x = 41,961,231,384.19 - Step 5: Solve for x
x = 41,961,231,384.19/236,175.84 - Step 6: Final answer
x = 177,669.45
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1.5x scale
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.