Finding the Fourth Proportional to 260,823.60, 391,235.40 and 201,701.70
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Solution
The fourth proportional to 260,823.60, 391,235.40 and 201,701.70 is: 302,552.55
Step by Step Solution
- Step 1: Write the proportion equation
260,823.60 : 391,235.40 = 201,701.70 : x - Step 2: Convert to fraction form
260,823.60/391,235.40 = 201,701.70/x - Step 3: Cross multiply
260,823.60x = 391,235.40 × 201,701.70 - Step 4: Simplify right side
260,823.60x = 78,912,845,280.18 - Step 5: Solve for x
x = 78,912,845,280.18/260,823.60 - Step 6: Final answer
x = 302,552.55
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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.