Finding the Fourth Proportional to 236,390.50, 326,219.68 and 128,962.80
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Solution
The fourth proportional to 236,390.50, 326,219.68 and 128,962.80 is: 177,969.09
Step by Step Solution
- Step 1: Write the proportion equation
236,390.50 : 326,219.68 = 128,962.80 : x - Step 2: Convert to fraction form
236,390.50/326,219.68 = 128,962.80/x - Step 3: Cross multiply
236,390.50x = 326,219.68 × 128,962.80 - Step 4: Simplify right side
236,390.50x = 42,070,203,347.90 - Step 5: Solve for x
x = 42,070,203,347.90/236,390.50 - Step 6: Final answer
x = 177,969.09
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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.