Finding the Fourth Proportional to 245,116.77, 367,675.45 and 76,637.99
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Solution
The fourth proportional to 245,116.77, 367,675.45 and 76,637.99 is: 114,957.08
Step by Step Solution
- Step 1: Write the proportion equation
245,116.77 : 367,675.45 = 76,637.99 : x - Step 2: Convert to fraction form
245,116.77/367,675.45 = 76,637.99/x - Step 3: Cross multiply
245,116.77x = 367,675.45 × 76,637.99 - Step 4: Simplify right side
245,116.77x = 28,177,907,460.35 - Step 5: Solve for x
x = 28,177,907,460.35/245,116.77 - Step 6: Final answer
x = 114,957.08
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.