Finding the Fourth Proportional to 260,117.70, 390,176.55 and 242,621.70
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Solution
The fourth proportional to 260,117.70, 390,176.55 and 242,621.70 is: 363,932.55
Step by Step Solution
- Step 1: Write the proportion equation
260,117.70 : 390,176.55 = 242,621.70 : x - Step 2: Convert to fraction form
260,117.70/390,176.55 = 242,621.70/x - Step 3: Cross multiply
260,117.70x = 390,176.55 × 242,621.70 - Step 4: Simplify right side
260,117.70x = 94,665,297,861.14 - Step 5: Solve for x
x = 94,665,297,861.14/260,117.70 - Step 6: Final answer
x = 363,932.55
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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.