Finding the Fourth Proportional to 236,561.04, 326,449.44 and 129,130.74
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Solution
The fourth proportional to 236,561.04, 326,449.44 and 129,130.74 is: 178,197.80
Step by Step Solution
- Step 1: Write the proportion equation
236,561.04 : 326,449.44 = 129,130.74 : x - Step 2: Convert to fraction form
236,561.04/326,449.44 = 129,130.74/x - Step 3: Cross multiply
236,561.04x = 326,449.44 × 129,130.74 - Step 4: Simplify right side
236,561.04x = 42,154,657,759.79 - Step 5: Solve for x
x = 42,154,657,759.79/236,561.04 - Step 6: Final answer
x = 178,197.80
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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.