Finding the Fourth Proportional to 272,823.60, 409,235.40 and 167,701.80
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Solution
The fourth proportional to 272,823.60, 409,235.40 and 167,701.80 is: 251,552.70
Step by Step Solution
- Step 1: Write the proportion equation
272,823.60 : 409,235.40 = 167,701.80 : x - Step 2: Convert to fraction form
272,823.60/409,235.40 = 167,701.80/x - Step 3: Cross multiply
272,823.60x = 409,235.40 × 167,701.80 - Step 4: Simplify right side
272,823.60x = 68,629,513,203.72 - Step 5: Solve for x
x = 68,629,513,203.72/272,823.60 - Step 6: Final answer
x = 251,552.70
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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.