Finding the Fourth Proportional to 310,942.68, 429,095.87 and 174,976.55
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Solution
The fourth proportional to 310,942.68, 429,095.87 and 174,976.55 is: 241,464.80
Step by Step Solution
- Step 1: Write the proportion equation
310,942.68 : 429,095.87 = 174,976.55 : x - Step 2: Convert to fraction form
310,942.68/429,095.87 = 174,976.55/x - Step 3: Cross multiply
310,942.68x = 429,095.87 × 174,976.55 - Step 4: Simplify right side
310,942.68x = 75,081,711,931.49 - Step 5: Solve for x
x = 75,081,711,931.49/310,942.68 - Step 6: Final answer
x = 241,464.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.