Finding the Fourth Proportional to 302,131.95, 416,909.40 and 174,783.75
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Solution
The fourth proportional to 302,131.95, 416,909.40 and 174,783.75 is: 241,182.66
Step by Step Solution
- Step 1: Write the proportion equation
302,131.95 : 416,909.40 = 174,783.75 : x - Step 2: Convert to fraction form
302,131.95/416,909.40 = 174,783.75/x - Step 3: Cross multiply
302,131.95x = 416,909.40 × 174,783.75 - Step 4: Simplify right side
302,131.95x = 72,868,988,342.25 - Step 5: Solve for x
x = 72,868,988,342.25/302,131.95 - Step 6: Final answer
x = 241,182.66
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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.