Finding the Fourth Proportional to 174,627.60, 261,979.80 and 56,278.80
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Solution
The fourth proportional to 174,627.60, 261,979.80 and 56,278.80 is: 84,430.58
Step by Step Solution
- Step 1: Write the proportion equation
174,627.60 : 261,979.80 = 56,278.80 : x - Step 2: Convert to fraction form
174,627.60/261,979.80 = 56,278.80/x - Step 3: Cross multiply
174,627.60x = 261,979.80 × 56,278.80 - Step 4: Simplify right side
174,627.60x = 14,743,908,768.24 - Step 5: Solve for x
x = 14,743,908,768.24/174,627.60 - Step 6: Final answer
x = 84,430.58
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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.