Finding the Fourth Proportional to 177,924.60, 266,886.90 and 72,718.97
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Solution
The fourth proportional to 177,924.60, 266,886.90 and 72,718.97 is: 109,078.45
Step by Step Solution
- Step 1: Write the proportion equation
177,924.60 : 266,886.90 = 72,718.97 : x - Step 2: Convert to fraction form
177,924.60/266,886.90 = 72,718.97/x - Step 3: Cross multiply
177,924.60x = 266,886.90 × 72,718.97 - Step 4: Simplify right side
177,924.60x = 19,407,739,140.06 - Step 5: Solve for x
x = 19,407,739,140.06/177,924.60 - Step 6: Final answer
x = 109,078.45
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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.