Finding the Fourth Proportional to 260,737.80, 391,106.70 and 201,688.80
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Solution
The fourth proportional to 260,737.80, 391,106.70 and 201,688.80 is: 302,533.20
Step by Step Solution
- Step 1: Write the proportion equation
260,737.80 : 391,106.70 = 201,688.80 : x - Step 2: Convert to fraction form
260,737.80/391,106.70 = 201,688.80/x - Step 3: Cross multiply
260,737.80x = 391,106.70 × 201,688.80 - Step 4: Simplify right side
260,737.80x = 78,881,840,994.96 - Step 5: Solve for x
x = 78,881,840,994.96/260,737.80 - Step 6: Final answer
x = 302,533.20
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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.